When a photon enters glass from air, which one of the following quantities does not change?

When a photon enters glass from air, which one of the following quantities does not change?
  1. Energy
  2. Velocity
  3. Wavelength
  4. Momentum

Solution

Energy of the photon is given by $\mathrm{E}=\mathrm{h} v$ The frequency of photon does not change hence the energy does not change.

Asked in: MHT CET 2021 (22 Sep Shift 2)

Practice more Dual Nature of Matter and Radiation questions on Aicharya