JEE Advanced 2026 Paper 1 Online | Wave Optics Question 2 | Physics

1

JEE Advanced 2026 Paper 1 Online

MCQ (Single Correct Answer)

+4

-1

In the List-I, four optical effects are mentioned. The physical phenomena of light which are essential to describe these optical effects are given in List-II. Choose the option which describes the correct match between the entries in List-I to those in List-II.

List-I	List-II
(P) Colorful sky in north polar region (Aurora Borealis)	(1) Dispersion and reflection
(Q) Partially polarized sun light	(2) Total internal reflection
(R) Rainbow	(3) Diffraction
(S) Dark and bright fringes	(4) Scattering of light by molecules in the atmosphere
	(5) Emission of radiation from oxygen and nitrogen atoms excited by charged particles

A

P→5, Q→4, R→1, S→3

B

P→4, Q→2, R→1, S→3

C

P→4, Q→1, R→2, S→3

D

P→5, Q→4, R→1, S→2

2

JEE Advanced 2020 Paper 1 Offline

MCQ (Single Correct Answer)

+3

-1

A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale) JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English

JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English

A

JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English Option 1

B

JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English Option 2

C

JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English Option 3

D

JEE Advanced 2020 Paper 1 Offline Physics - Wave Optics Question 20 English Option 4

3

JEE Advanced 2013 Paper 1 Offline

MCQ (Single Correct Answer)

+3

-1

In the Young's double-slit experiment using a monochromatic light of wavelength $$\lambda$$, the path difference (in terms of an integer n) corresponding to any point having half the peak intensity is

A

$$(2n + 1){\lambda \over 2}$$

B

$$(2n + 1){\lambda \over 4}$$

C

$$(2n + 1){\lambda \over 8}$$

D

$$(2n + 1){\lambda \over {16}}$$

4

IIT-JEE 2012 Paper 1 Offline

MCQ (Single Correct Answer)

+3

-1

Young's double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe widths recorded are $$\beta$$_G, $$\beta$$_R and $$\beta$$_B, respectively. Then,

A

$$\beta$$_G > $$\beta$$_B > $$\beta$$_R

B

$$\beta$$_B > $$\beta$$_G > $$\beta$$_R

C

$$\beta$$_R > $$\beta$$_B > $$\beta$$_G

D

$$\beta$$_R > $$\beta$$_G > $$\beta$$_B

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