A parallel beam of monochromatic light of wavelength 663 nm is incident on a totally reflecting plane mirror. The angle of incidence is `60^@` and the number of photons striking the mirror per second is `(1.0 xx (10^19))`. Calculate the force exerted by the light beam on the mirror.

A parallel beam of monochromatic light of wavelength 663 nm is incident on a totally reflection plane mirror. The angle of incidence is 60^@ and the number of photons striking the mirror per second is 1.0xx10^19 . Calculate the force exerted by the light beam on the mirror.

A parallel beam of monochromatic light of wavelength 663 nm is incident on a totally reflection plane mirror. The angle of incidence is 60^@ and the number of photons striking the mirror per second is 1.0xx10^19 . Calculate the force exerted by the light beam on the mirror.

A parallel beam of monochromatic light of wavelength 600nm is incident on a totally reflecting plane mirror. The angle of incident is 60^(@) and the number of photon striking the mirror per second is 2.0xx10^(19) . The force exerted by the light beam on the mirror is axx10^(-8)N . what is the integer value of a ? Given h=6.6xx10^(-34)Js

A parallel beam of monochromatic light of wavelength 500nm is incident normally on a perfectly absorbing surface. The power through any cross- section of the beam is 10 W. Find (a) the number of photons absorbed per second by the surface and (b) the force exerted by the light beam on the surface.

A parallel beam of monochromatic light of wavelength 500nm is incident normally on a perfectly absorbing surface. The power through any cross- section of the beam is 10 W. Find (a) the number of photons absorbed per second by the surface and (b) the force exerted by the light beam on the surface.

A parellel beam of monochromatic light of wavelength 500 nm is incident normally on a perfectly absorbing surface. The power through any cross section of the beam is 10 W. Find (a) the number of photons absorbed per second by the surface and (b) the force exerted by the light beam on the surface.

A parellel beam of monochromatic light of wavelength 500 nm is incident normally on a perfectly absorbing surface. The power through any cross section of the beam is 10 W. Find (a) the number of photons absorbed per second by the surface and (b) the force exerted by the light beam on the surface.

A light ray is incident normally on a plane mirror. The angle of reflection will be