When light enters from air to water, then its [MP PMT 1994; MP PET 1 – McqOptions

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1.	When light enters from air to water, then its [MP PMT 1994; MP PET 1996]
A.	Frequency increases and speed decreases
B.	Frequency is same but the wavelength is smaller in water than in air
C.	Frequency is same but the wavelength in water is greater than in air
D.	Frequency decreases and wavelength is smaller in water than in air
Answer» C. Frequency is same but the wavelength in water is greater than in air

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