A transmitting station emits radio waves of wavelength λ at power P. If h is Planck’s constant & c the speed of light what is the rate of emission of photons ?

Related Mcqs:

Tick the right statement?

A. no photo electronic emission takes place if the frequency of radiation however intense it may be is less than a certain critical value called threshold frequency B. threshold frequency depends upon the nature of the metal surface C. maximum energy of a photoelectron is a function of frequency rather than intensity of radiation D. … Tick the right statement?Read More...

Linear momentum of a photon is_______________?

A. zero B. hv/c2 C. hv/c D. c2/hv...

The existence of Ether wind was experimentally rejected by__________________?

A. equal to its rest mass B. double of its rest mass C. infinite D. zero...

If a photon is reflected from the mirror then the change in momentum of each photon is_______________?

A. Zero B. Double C. Half D. 1...

A photon of wavelength 900nm behaves like a particle of mass______________?

A. 5.53 x 10-36kg B. 0 kg. C. 2.46 x 10-36kg D. 1.84 x 10-44kg...