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Physics
When a ray of light enters a glass slab, then
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Q. When a ray of light enters a glass slab, then
AIIMS
AIIMS 2000
Ray Optics and Optical Instruments
A
its frequency and velocity changes
14%
B
only frequency changes
10%
C
its frequency and wavelength changes
14%
D
its frequency does not change
62%
Solution:
When a ray of light enters a glassslab its frequency does not change. This is because frequency is the property of the source emitting the radiation. And once the light is emitted, its frequency remains same in all the media it propagates through.