MHT CET 2020 16th October Morning Shift | Wave Optics Question 114 | Physics

In Young's double slit experiment green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the observed fringes to be more closely spaced?

Moving the screen away from the slits

Using blue light instead of green light

Using red light instead of green light

Reducing the separation between the slits

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

When a photon enters glass from air, which one of the following quantity does not change?

Velocity

Wavelength

Momentum

Energy

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

In Young's double slit experiment fifth dark fringe is formed opposite to one of the slit. IID is the distance between the slits and the screen and $d$ is the separation between the slits, then the wavelength of light used is

$\frac{d^2}{5 D}$

$\frac{d^2}{9 D}$

$\frac{d^2}{6 D}$

$\frac{d^2}{15 D}$

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

The phenomenon of interference is based on

conservation of momentum

quantum nature of light

conservation of energy

conservation of charge

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