Monochromatic light of wavelength `3000 Å` is incident on a surface area `4 cm^(2)`. If intensity of light is `150 m W//m^(2)` , then rate at which photons strike the target is

(a) Calculate the momentum of a photon of light of wavelength 500 nm. (b) Find the number of photons emitted per second by a 25 W sourse of monochromatic light of wave length 600 nm. (c) How many photons per second does a one watt bulb emit if its efficiency is 10% and the wavelength of light emitted is 500 nm? (d) Monochromatic light of wavelength 300 nm is incident normally on a surface of area 4 cm^(2) . If the intensity of light is 150 m W//m^(2) , determine the rate at which photons strike the surface.

Monochromatic light of wavelength 3000 Å is incident normally on a surface of area 4 cm^(2) . If the intensity of the light is 15 xx 10^(-2) W//m^(2) . The rate at which photons strike the surface is K xx 10^(13) photon/s. The value of K is _________.

Monochromatic light of wavelength 3000 Å is incident normally on a surface of area 4 cm^(2) . If the intensity of the light is 15 xx 10^(-2) W//m^(2) . The rate at which photons strike the surface is K xx 10^(13) photon/s. The value of K is _________.

Monochromatic light of wavelength 3000 Å is incident normally on a surface of area 4 cm^(2) . If the intensity of the light is 15 xx 10^(-2) W//m^(2) . The rate at which photons strike the surface is K xx 10^(13) photon/s. The value of K is _________.

Monochromatic light of wavelength 3000 Å is incident normally on a surface of area 4 cm^(2) If the intensity of light is 150 (m W)/(m^(2)) , the number of photon being incident on this surface in one second is ……

Monochromatic light of wavelength 3000 A is incident normally on a surface of area 4 cm^(2) . If the intensity of the light is 5xx10^(-2)W//m^(2) , determine the rate at which photons strike the surface

Monochromatic light of wavelength 589 nm is incident on a water surface from air the wavelength, frequency and speed of (b) refracted light?

Light of wavelength 3000Å is incident on a metal surface whose work function is 1 eV. The maximum velocity of emitted photoelectron will be