Physics · Optics - Refraction

A light ray moves from air into glass. Which of the following statements is correct?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Neither the frequency nor the wavelength changes in glass.
2The frequency and the speed of propagation change in glass.
3The wavelength and the speed of propagation change in glass.✓
4The frequency and wavelength change in glass.

Correct answer

The wavelength and the speed of propagation change in glass.

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