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Physics
When white light moves through vacuum
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Q. When white light moves through vacuum
Ray Optics and Optical Instruments
A
all colours have same speed
34%
B
different colours have different speeds
23%
C
violet has more speed than red
24%
D
red has more speed than violet.
19%
Solution:
In vacuum all colours have same speed, because there is no dispersion of light in vacuum.