Light in certain cases may be considered as a stream of particles called photons.Each photon has a linear momentum hλ where h is the Planck's constant and λ is the wavelength of the light. A beam of light of wavelength (\lambda ) is incident on a plane mirror at an angle of incidence θ.Calculate the change in the linear momentum of a photon as the beam is reflected by the mirror.

Light in certain cases may be considered as a stream of particles call

1.	Light in certain cases may be considered as a stream of particles called photons.Each photon has a linear momentum hλ where h is the Planck's constant and λ is the wavelength of the light. A beam of light of wavelength (\lambda ) is incident on a plane mirror at an angle of incidence θ.Calculate the change in the linear momentum of a photon as the beam is reflected by the mirror.
Answer» Light in certain cases may be considered as a stream of particles called photons.Each photon has a linear momentum $\frac{h}{λ}$ where h is the Planck's constant and $λ$ is the wavelength of the light. A beam of light of wavelength (\lambda ) is incident on a plane mirror at an angle of incidence $θ$ .Calculate the change in the linear momentum of a photon as the beam is reflected by the mirror.

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