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Physics
A beam of light passes form air to glass, how does the speed of light vary ?
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Q. A beam of light passes form air to glass, how does the speed of light vary ?
Ray Optics and Optical Instruments
A
Decreases
70%
B
Increases
10%
C
Remains unchanged
11%
D
It may decrease or increase depending upon the colour
10%
Solution:
Velocity of light is less in denser medium.