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When a narrow beam while light is passed...

When a narrow beam while light is passed through a glass prism, the different wavelength travel thorugh the glass at

A

same speed

B

differebt speeds (rates)

C

same intensity

D

same frequency

Text Solution

Verified by Experts

The correct Answer is:
B
Refractive index,
`n = ("Speed of light in vacuum")/("Speed of light in the medium")`
varies with wavelength.
As a result, the white light is separated into its component colors.
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