A photon of wavelength `6630 Å` is incident on a totally reflecting surface . The momentum delivered by the photon is equal to

A photon of wavelength 4400 Å is passing through vaccum. The effective mass and momentum of the photon are respectively

A photon of wavelength 4400 Å is passing through vaccum. The effective mass and momentum of the photon are respectively

Momentum of a photon of wavelength lamda is

When wavelength of incident photon is decreased then

Momentum of a photon of wavelength lambda is :

Momentum of a photon of wavelength lambda is :

Momentum of a photon of wavelength lambda is

Light of wavelength 5000 Å incidents on reflecting surface, then for ...... value of incidence angle, reflected and incident ray will be perpendicular.