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1
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

In diffraction experiment, from a single slit, the angular width of the central maxima does not depend upon

A
ratio of wavelength and slit width
B
distance of the slit from the screen
C
wavelength of light used
D
width of the slit
2
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

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?

A
Moving the screen away from the slits
B
Using blue light instead of green light
C
Using red light instead of green light
D
Reducing the separation between the slits
3
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
Velocity
B
Wavelength
C
Momentum
D
Energy
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