When ray of light enters in glass slab from diamond
4 points
A Velocity decreases
B Wavelength increases
C Wavelength decreases
D Frequency increases
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Explanation:
On entering a glass slab the velocity decreases. v=νλ
Frequency is inherent property of a wave and does not change. So the wavelength decreses which results in reduction in velocity on entering a glass slab from air.
Answer) C. its wavelength decreases.
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