First slide

Ray optics

Question

What happens to the frequency and the wavelength when light passes from a rarer to a denser medium?

Easy

A

Wavelength remains unchanged but frequency changes
B

They are independent
C

Wavelength and frequency changes
D

Wavelength changes but the frequency remain unchanged

Solution

When light passes from a rarer to a denser medium, the wavelength of light changes but the frequency remains unchanged. Therefore, there is no change in the frequency of light, only the wavelength changes.

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