# Wave Optics · Physics · JEE Main

Start Practice## Numerical

JEE Main 2024 (Online) 9th April Evening Shift

Monochromatic light of wavelength $$500 \mathrm{~nm}$$ is used in Young's double slit experiment. An interference pattern is obtained on a screen. Whe...

JEE Main 2024 (Online) 9th April Morning Shift

In a Young's double slit experiment, the intensity at a point is $$\left(\frac{1}{4}\right)^{\text {th }}$$ of the maximum intensity, the minimum dist...

JEE Main 2024 (Online) 8th April Evening Shift

Two slits are $$1 \mathrm{~mm}$$ apart and the screen is located $$1 \mathrm{~m}$$ away from the slits. A light of wavelength $$500 \mathrm{~nm}$$ is ...

JEE Main 2024 (Online) 8th April Morning Shift

A parallel beam of monochromatic light of wavelength $$600 \mathrm{~nm}$$ passes through single slit of $$0.4 \mathrm{~mm}$$ width. Angular divergence...

JEE Main 2024 (Online) 6th April Evening Shift

Two coherent monochromatic light beams of intensities I and $$4 \mathrm{~I}$$ are superimposed. The difference between maximum and minimum possible in...

JEE Main 2024 (Online) 5th April Evening Shift

In a single slit experiment, a parallel beam of green light of wavelength $$550 \mathrm{~nm}$$ passes through a slit of width $$0.20 \mathrm{~mm}$$. T...

JEE Main 2024 (Online) 5th April Morning Shift

In Young's double slit experiment, carried out with light of wavelength $$5000~\mathop A\limits^o$$, the distance between the slits is $$0.3 \mathrm{~...

JEE Main 2024 (Online) 4th April Morning Shift

Two wavelengths $$\lambda_1$$ and $$\lambda_2$$ are used in Young's double slit experiment. $$\lambda_1=450 \mathrm{~nm}$$ and $$\lambda_2=650 \mathrm...

JEE Main 2024 (Online) 1st February Evening Shift

In Young's double slit experiment, monochromatic light of wavelength 5000 Å is used. The slits are $1.0 \mathrm{~mm}$ apart and screen is placed at $1...

JEE Main 2024 (Online) 31st January Morning Shift

Two waves of intensity ratio $$1: 9$$ cross each other at a point. The resultant intensities at that point, when (a) Waves are incoherent is $$I_1$$ (...

JEE Main 2024 (Online) 29th January Evening Shift

In a single slit diffraction pattern, a light of wavelength 6000$$\mathop A\limits^o$$ is used. The distance between the first and third minima in the...

JEE Main 2024 (Online) 29th January Morning Shift

In a double slit experiment shown in figure, when light of wavelength $$400 \mathrm{~nm}$$ is used, dark fringe is observed at $$P$$. If $$\mathrm{D}=...

JEE Main 2024 (Online) 27th January Evening Shift

A parallel beam of monochromatic light of wavelength 5000 $$\mathop A\limits^o$$ is incident normally on a single narrow slit of width $$0.001 \mathrm...

JEE Main 2023 (Online) 10th April Morning Shift

Unpolarised light of intensity 32 Wm$$^{-2}$$ passes through the combination of three polaroids such that the pass axis of the last polaroid is perpen...

JEE Main 2023 (Online) 6th April Evening Shift

A beam of light consisting of two wavelengths $$7000~\mathop A\limits^o $$ and $$5500~\mathop A\limits^o $$ is used to obtain interference pattern in ...

JEE Main 2023 (Online) 1st February Evening Shift

As shown in the figure, in Young's double slit experiment, a thin plate of thickness $$t=10 \mu \mathrm{m}$$ and refractive index $$\mu=1.2$$ is inser...

JEE Main 2023 (Online) 31st January Evening Shift

Two light waves of wavelengths 800 and $600 \mathrm{~nm}$ are used in Young's double slit experiment to obtain interference fringes on a screen placed...

JEE Main 2023 (Online) 30th January Evening Shift

In a Young's double slit experiment, the intensities at two points, for the path differences $\frac{\lambda}{4}$ and $\frac{\lambda}{3}$ ( $\lambda$ b...

JEE Main 2023 (Online) 30th January Morning Shift

In Young's double slit experiment, two slits $$S_{1}$$ and $$S_{2}$$ are '$$d$$' distance apart and the separation from slits to screen is $$\mathrm{D...

JEE Main 2023 (Online) 29th January Evening Shift

Unpolarised light is incident on the boundary between two dielectric media, whose dielectric constants are 2.8 (medium $$-1$$) and 6.8 (medium $$-2$$)...

JEE Main 2023 (Online) 29th January Morning Shift

As shown in the figure, three identical polaroids P$$_1$$, P$$_2$$ and P$$_3$$ are placed one after another. The pass axis of P$$_2$$ and P$$_3$$ are ...

JEE Main 2022 (Online) 29th July Morning Shift

Two light beams of intensities 4I and 9I interfere on a screen. The phase difference between these beams on the screen at point A is zero and at point...

JEE Main 2022 (Online) 28th July Morning Shift

In a Young's double slit experiment, a laser light of 560 nm produces an interference pattern with consecutive bright fringes' separation of 7.2 mm. N...

JEE Main 2022 (Online) 27th July Morning Shift

Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the two beams are $$\pi...

JEE Main 2022 (Online) 29th June Evening Shift

In a double slit experiment with monochromatic light, fringes are obtained on a screen placed at some distance from the plane of slits. If the screen ...

JEE Main 2022 (Online) 28th June Evening Shift

In a Young's double slit experiment, an angular width of the fringe is 0.35$$^\circ$$ on a screen placed at 2 m away for particular wavelength of 450 ...

JEE Main 2022 (Online) 27th June Morning Shift

In Young's double slit experiment the two slits are 0.6 mm distance apart. Interference pattern is observed on a screen at a distance 80 cm from the s...

JEE Main 2022 (Online) 24th June Morning Shift

Sodium light of wavelengths 650 nm and 655 nm is used to study diffraction at a single slit of aperture 0.5 mm. The distance between the slit and the ...

JEE Main 2021 (Online) 1st September Evening Shift

The width of one of the two slits in a Young's double slit experiment is three times the other slit. If the amplitude of the light coming from a slit ...

JEE Main 2021 (Online) 31st August Evening Shift

In a Young's double slit experiment, the slits are separated by 0.3 mm and the screen is 1.5 m away from the plane of slits. Distance between fourth b...

JEE Main 2021 (Online) 26th August Evening Shift

A source of light is placed in front of a screen. Intensity of light on the screen is I. Two Polaroids P1 and P2 are so placed in between the source o...

JEE Main 2021 (Online) 26th August Morning Shift

White light is passed through a double slit and interference is observed on a screen 1.5 m away. The separation between the slits is 0.3 mm. The first...

JEE Main 2021 (Online) 27th July Evening Shift

The difference in the number of waves when yellow light propagates through air and vacuum columns of the same thickness is one. The thickness of the a...

JEE Main 2021 (Online) 18th March Evening Shift

A galaxy is moving away from the earth at a speed of 286 kms$$-$$1. The shift in the wavelength of a redline at 630 nm is x $$\times$$ 10$$-$$10 m. Th...

JEE Main 2021 (Online) 16th March Morning Shift

A fringe width of 6 mm was produced for two slits separated by 1 mm apart. The screen is placed 10 m away. The wavelength of light used is 'x' nm. The...

JEE Main 2021 (Online) 24th February Morning Shift

An unpolarised light beam is incident on the polarizer of a polarization experiment and the intensity of light beam emerging from the analyzer is meas...

JEE Main 2020 (Online) 6th September Evening Slot

A Young's double-slit experiment is performed using monochromatic light of wavelength $$\lambda $$. The
intensity of light at a point on the screen, w...

JEE Main 2020 (Online) 4th September Evening Slot

Orange light of wavelength 6000 $$ \times $$ 10–10 m illuminates a single slit of width 0.6 $$ \times $$ 10–4 m. The
maximum possible number of diffra...

JEE Main 2020 (Online) 9th January Evening Slot

In a Young's double slit experiment 15 fringes
are observed on a small portion of the screen
when light of wavelength 500 nm is used. Ten
fringes are ...

## MCQ (Single Correct Answer)

JEE Main 2024 (Online) 5th April Evening Shift

Given below are two statements :
Statement I : When the white light passed through a prism, the red light bends lesser than yellow and violet.
Stateme...

JEE Main 2024 (Online) 5th April Morning Shift

Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is :

JEE Main 2024 (Online) 4th April Evening Shift

The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum of the minimum inten...

JEE Main 2024 (Online) 1st February Evening Shift

A microwave of wavelength $2.0 \mathrm{~cm}$ falls normally on a slit of width $4.0 \mathrm{~cm}$. The angular spread of the central maxima of the dif...

JEE Main 2024 (Online) 1st February Morning Shift

A monochromatic light of wavelength $6000 ~\mathring{A}$ is incident on the single slit of width $0.01 \mathrm{~mm}$. If the diffraction pattern is fo...

JEE Main 2024 (Online) 31st January Evening Shift

When unpolarized light is incident at an angle of $$60^{\circ}$$ on a transparent medium from air, the reflected ray is completely polarized. The angl...

JEE Main 2024 (Online) 30th January Evening Shift

A beam of unpolarised light of intensity $$I_0$$ is passed through a polaroid $$A$$ and then through another polaroid $$B$$ which is oriented so that ...

JEE Main 2024 (Online) 30th January Morning Shift

The diffraction pattern of a light of wavelength $$400 \mathrm{~nm}$$ diffracting from a slit of width $$0.2 \mathrm{~mm}$$ is focused on the focal pl...

JEE Main 2024 (Online) 29th January Evening Shift

In Young's double slit experiment, light from two identical sources are superimposing on a screen. The path difference between the two lights reaching...

JEE Main 2024 (Online) 27th January Evening Shift

When a polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a rotation of :

JEE Main 2023 (Online) 15th April Morning Shift

A single slit of width $a$ is illuminated by a monochromatic light of wavelength $600 \mathrm{~nm}$. The value of ' $a$ ' for which first minimum app...

JEE Main 2023 (Online) 13th April Evening Shift

In a Young's double slits experiment, the ratio of amplitude of light coming from slits is $$2: 1$$. The ratio of the maximum to minimum intensity in ...

JEE Main 2023 (Online) 10th April Evening Shift

The ratio of intensities at two points $$\mathrm{P}$$ and $$\mathrm{Q}$$ on the screen in a Young's double slit experiment where phase difference betw...

JEE Main 2023 (Online) 8th April Evening Shift

The width of fringe is $$2 \mathrm{~mm}$$ on the screen in a double slits experiment for the light of wavelength of $$400 \mathrm{~nm}$$. The width of...

JEE Main 2023 (Online) 1st February Morning Shift

'$$n$$' polarizing sheets are arranged such that each makes an angle $$45^{\circ}$$ with the preceeding sheet. An unpolarized light of intensity I is ...

JEE Main 2023 (Online) 31st January Morning Shift

Two polaroide $$\mathrm{A}$$ and $$\mathrm{B}$$ are placed in such a way that the pass-axis of polaroids are perpendicular to each other. Now, another...

JEE Main 2023 (Online) 29th January Morning Shift

In a Young's double slit experiment, two slits are illuminated with a light of wavelength $$800 \mathrm{~nm}$$. The line joining $$A_{1} P$$ is perpen...

JEE Main 2023 (Online) 25th January Morning Shift

In Young's double slits experiment, the position of 5$$\mathrm{^{th}}$$ bright fringe from the central maximum is 5 cm. The distance between slits and...

JEE Main 2023 (Online) 24th January Morning Shift

Given below are two statements :
Statement I : If the Brewster's angle for the light propagating from air to glass is $$\mathrm{\theta_B}$$, then the ...

JEE Main 2022 (Online) 29th July Evening Shift

An unpolarised light beam of intensity $$2 I_{0}$$ is passed through a polaroid P and then through another polaroid Q which is oriented in such a way ...

JEE Main 2022 (Online) 27th July Evening Shift

Two coherent sources of light interfere. The intensity ratio of two sources is $$1: 4$$. For this interference pattern if the value of $$\frac{I_{\max...

JEE Main 2022 (Online) 26th July Morning Shift

In Young's double slit experiment, the fringe width is $$12 \mathrm{~mm}$$. If the entire arrangement is placed in water of refractive index $$\frac{4...

JEE Main 2022 (Online) 30th June Morning Shift

Find the ratio of maximum intensity to the minimum intensity in the interference pattern if the widths of the two slits in Young's experiment are in t...

JEE Main 2022 (Online) 29th June Morning Shift

Using Young's double slit experiment, a monochromatic light of wavelength 5000 $$\mathop A\limits^o $$ produces fringes of fringe width 0.5 mm. If ano...

JEE Main 2022 (Online) 28th June Evening Shift

In Young's double slit experiment performed using a monochromatic light of wavelength $$\lambda$$, when a glass plate ($$\mu$$ = 1.5) of thickness x$$...

JEE Main 2022 (Online) 26th June Evening Shift

For a specific wavelength 670 nm of light coming from a galaxy moving with velocity v, the observed wavelength is 670.7 nm. The value of v is :

JEE Main 2022 (Online) 25th June Evening Shift

The interference pattern is obtained with two coherent light sources of intensity ratio 4 : 1. And the ratio $${{{I_{\max }} + {I_{\min }}} \over {{I_...

JEE Main 2022 (Online) 25th June Evening Shift

A light whose electric field vectors are completely removed by using a good polaroid, allowed to incident on the surface of the prism at Brewster's an...

JEE Main 2022 (Online) 25th June Morning Shift

The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is $$\pi$$/2...

JEE Main 2022 (Online) 24th June Evening Shift

Two light beams of intensities in the ratio of 9 : 4 are allowed to interfere. The ratio of the intensity of maxima and minima will be :

JEE Main 2021 (Online) 27th August Evening Shift

The light waves from two coherent sources have same intensity I1 = I2 = I0. In interference pattern the intensity of light at minima is zero. What wil...

JEE Main 2021 (Online) 27th July Morning Shift

In Young's double slit experiment, if the source of light changes from orange to blue then :

JEE Main 2021 (Online) 25th July Morning Shift

In the Young's double slit experiment, the distance between the slits varies in time as d(t) = d0 + a0 sin$$\omega$$t; where d0, $$\omega$$ and a0 are...

JEE Main 2021 (Online) 20th July Evening Shift

With what speed should a galaxy move outward with respect to earth so that the sodium-D line at wavelength 5890 $$\mathop A\limits^o $$ is observed at...

JEE Main 2021 (Online) 18th March Morning Shift

In Young's double slit arrangement, slits are separated by a gap of 0.5 mm, and the screen is placed at a distance of 0.5 m from them. The distance be...

JEE Main 2021 (Online) 26th February Morning Shift

In a Young's double slit experiment two slits are separated by 2 mm and the screen is placed one meter away. When a light of wavelength 500 nm is used...

JEE Main 2021 (Online) 25th February Evening Shift

Consider the diffraction pattern obtained from the sunlight incident on a pinhole of diameter 0.1 $$\mu$$m. If the diameter of the pinhole is slightly...

JEE Main 2021 (Online) 25th February Morning Shift

Two coherent light sources having intensity in the ratio 2x produce an interference pattern. The ratio $${{{I_{\max }} - {I_{\min }}} \over {{I_{\max ...

JEE Main 2021 (Online) 24th February Evening Shift

If the source of light used in a Young's double slit experiment is changed from red to violet :

JEE Main 2021 (Online) 24th February Morning Shift

In a Young's double slit experiment, the width of the one of the slit is three times the other slit. The amplitude of the light coming from a slit is ...

JEE Main 2020 (Online) 6th September Morning Slot

In the figure below, P and Q are two equally intense coherent sources emitting radiation of
wavelength 20 m. The separation between P and Q is 5 m and...

JEE Main 2020 (Online) 5th September Evening Slot

Two coherent sources of sound, S1 and S2,
produce sound waves of the same wavelength,
$$\lambda $$ = 1 m, in phase. S1 and S2 are placed 1.5 m
apart (...

JEE Main 2020 (Online) 4th September Morning Slot

A beam of plane polarised light of large cross-sectional area and uniform intensity of 3.3 Wm-2 falls normally on a polariser (cross sectional area 3 ...

JEE Main 2020 (Online) 3rd September Evening Slot

Two light waves having the same wavelength $$\lambda $$ in vacuum are in phase initially. Then the first wave
travels a path L1
through a medium of r...

JEE Main 2020 (Online) 3rd September Morning Slot

In a Young’s double slit experiment, light of
500 nm is used to produce an interference
pattern. When the distance between the slits
is 0.05 mm, the a...

JEE Main 2020 (Online) 2nd September Evening Slot

In a Young’s double slit experiment, 16 fringes
are observed in a certain segment of the
screen when light of a wavelength 700 nm is
used. If the wave...

JEE Main 2020 (Online) 2nd September Morning Slot

Interference fringes are observed on a screen
by illuminating two thin slits 1 mm apart with a
light source ($$\lambda $$ = 632.8 nm). The distance
be...

JEE Main 2020 (Online) 8th January Evening Slot

In a double slit experiment, at a certain point
on the screen the path difference between the
two interfering waves is $${1 \over 8}$$th of a waveleng...

JEE Main 2020 (Online) 7th January Evening Slot

In a Young's double slit experiment, the separation between the slits is 0.15 mm. in the experiment,
a source of light of wavelengh 589 nm is used and...

JEE Main 2020 (Online) 7th January Morning Slot

A polarizer - analyser set is adjusted such that the intensity of light coming out of the analyser is just 10% of the original intensity. Assuming tha...

JEE Main 2020 (Online) 7th January Morning Slot

Visible light of wavelength 6000 $$ \times $$ 10-8 cm falls normally on a single slit and produces a diffraction pattern. It is found that the second ...

JEE Main 2019 (Online) 12th April Evening Slot

A system of three polarizers P1, P2, P3 is set up such that the pass axis of P3 is crossed with respect to that of P1.
The pass axis of P2 is inclined...

JEE Main 2019 (Online) 12th April Morning Slot

The value of numerical aperature of the objective lens of a microscope is 1.25. If light of wavelength 5000 $$\mathop A\limits^o $$
is used, the minim...

JEE Main 2019 (Online) 12th April Morning Slot

In a double slit experiment, when a thin film of thickness t having refractive index $$\mu $$. is introduced in front of
one of the slits, the maximum...

JEE Main 2019 (Online) 10th April Evening Slot

In a Young's double slit experiment, the ratio of the slit's width is 4 : 1. The ratio of the intensity of maxima to minima, close to the central frin...

JEE Main 2019 (Online) 9th April Evening Slot

Diameter of the objective lens of a telescope is
250 cm. For light of wavelength 600nm.
coming from a distant object, the limit of
resolution of the t...

JEE Main 2019 (Online) 9th April Morning Slot

The figure shows a Young's double slit
experimental setup. It is observed that when a
thin transparent sheet of thickness t and
refractive index μ is ...

JEE Main 2019 (Online) 8th April Evening Slot

Calculate the limit of resolution of a telescope
objective having a diameter of 200 cm, if it has
to detect light of wavelength 500 nm coming
from a s...

JEE Main 2019 (Online) 8th April Morning Slot

In an interference experiment the ratio of amplitudes of coherent waves is $${{{a_1}} \over {{a_2}}} = {1 \over 3}$$ . The
ratio of maximum and minimu...

JEE Main 2019 (Online) 11th January Evening Slot

In a double-slit experiment, green light (5303$$\mathop A\limits^ \circ $$) falls on a double slit having a separation of 19.44 $$\mu $$m and awidht ...

JEE Main 2019 (Online) 11th January Morning Slot

In a Young's double slit experiment, the path difference, at a certain point on the screen, between two interfering waves is $${1 \over 8}$$ th of wav...

JEE Main 2019 (Online) 10th January Evening Slot

Consider a Young’s double slit experiment as shown in figure. What should be the slit separation d in terms of wavelength $$\lambda $$ such that the f...

JEE Main 2019 (Online) 10th January Morning Slot

In a Young’s double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle $${1 \over {40}}$$ by using light of waveleng...

JEE Main 2019 (Online) 9th January Evening Slot

In a Young's double slit experiment, the slits are placed 0.320 mm apart. Light of wavelength $$\lambda $$ = 500 nm is incident on the slits. The tota...

JEE Main 2019 (Online) 9th January Morning Slot

Two coherent sources produce waves of different intensities which interfere. After interference, the ratio of the maximum intensity to the minimum int...

JEE Main 2019 (Online) 9th January Morning Slot

Consider a tank made of glass(refractive index 1.5) with a thick bottom. It is filled with a liquid of refractive index $$\mu $$. A student finds that...

JEE Main 2018 (Online) 16th April Morning Slot

Unpolarized light of intensity I is incident on a system of two polarizers, A followed by B. The intensity of emergent light is I/2. If a third polar...

JEE Main 2018 (Offline)

The angular width of the central maximum in a single slit diffraction pattern is 60°. The width of the slit is
1 $$\mu $$m. The slit is illuminated by...

JEE Main 2018 (Offline)

Unpolarized light of intensity I passes through an ideal polarizer A. Another identical polarizer B is placed
behind A. The intensity of light beyond ...

JEE Main 2018 (Online) 15th April Evening Slot

A plane polarized light is incident on a polariser with its pass axis aking angle $$\theta $$ with x-axis, as shown in the figure. At four different ...

JEE Main 2018 (Online) 15th April Morning Slot

Light of wavelength $$550$$ $$nm$$ falls normally on a slit of width $$22.0 \times {10^{ - 5}}$$ $$cm.$$ The angular position of the second minima fro...

JEE Main 2017 (Online) 9th April Morning Slot

A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000 $$\mathop A\limits^ \circ $$ and diffraction bands are ob...

JEE Main 2017 (Online) 8th April Morning Slot

A single slit of width b is illuminated by a coherent monochromatic light of wavelength $$\lambda $$. If the second and fourthminima in the diffracti...

JEE Main 2017 (Offline)

In a Young’s double slit experiment, slits are separated by 0.5 mm, and the screen is placed 150 cm away.
A beam of light consisting of two wavelength...

JEE Main 2016 (Online) 10th April Morning Slot

Two stars are 10 light years away from the earth. They are seen through a telescope of objective diameter 30 cm. The wavelength of light is 600 nm. To...

JEE Main 2016 (Online) 9th April Morning Slot

In Young’s double slit experiment, the distance between slits and the screen is
1.0 m and monochromatic light of 600 nm is being used. A person standi...

JEE Main 2016 (Offline)

The box of a pin hole camera, of length $$L,$$ has a hole of radius a. It is assumed that when the hole is illuminated by a parallel beam of light of ...

JEE Main 2015 (Offline)

On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is direc...

JEE Main 2015 (Offline)

Assuming human pupil to have a radius of $$0.25$$ $$cm$$ and a comfortable viewing distance of $$25$$ $$cm$$, the minimum separation between two objec...

JEE Main 2014 (Offline)

Two beams, $$A$$ and $$B$$, of plane polarized light with mutually perpendicular planes of polarization are seen through a polaroid. From the positio...

JEE Main 2013 (Offline)

A beam of unpolarised light of intensity $${{\rm I}_0}$$ is passed through a polaroid $$A$$ and then through another polaroid $$B$$ which is oriented ...

JEE Main 2013 (Offline)

Two coherent point sources $${S_1}$$ and $${S_2}$$ are separated by a small distance $$'d'$$ as shown. The fringes obtained on the screen will be
...

AIEEE 2012

In Young's double slit experiment , one of the slit is wider than other, so that amplitude of the light from one slit is double of that from other sli...

AIEEE 2011

This question has a paragraph followed by two statements, Statement $$-1$$ and Statement $$-2$$. Of the given four alternatives after the statements,...

AIEEE 2010

An initially parallel cylindrical beam travels in a medium of refractive index $$\mu \left( I \right) = {\mu _0} + {\mu _2}\,I,$$ where $${\mu _0}$$ a...

AIEEE 2009

A mixture of light, consisting of wavelength $$590$$ $$nm$$ and an unknown wavelength, illuminates Young's double slit and gives rise to two overlappi...

AIEEE 2007

In a Young's double slit experiment the intensity at a point where the path difference is $${\lambda \over 6}$$ ( $$\lambda $$ being the wavelength o...

AIEEE 2005

Two point white dots are $$1$$ $$mm$$ apart on a black paper. They are viewed by eye of pupil diameter $$3$$ $$mm.$$ Approximately, what is the maximu...

AIEEE 2005

A Young's double slit experiment uses a monochromatic source. The shape of the interference fringes formed on a screen is

AIEEE 2005

If $${I_0}$$ is the intensity of the principal maximum in the single slit diffraction pattern, then what will be its intensity when the slit width is ...

AIEEE 2005

When an unpolarized light of intensity $${{I_0}}$$ is incident on a polarizing sheet, the intensity of the light which does not get transmitted is

AIEEE 2004

The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index $$n$$) is :

AIEEE 2004

The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double-slit experiment, is :

AIEEE 2003

To demonstrate the phenomenon of interference, we require two sources which emit radiation