Monochromatic light of frequency `6.0xx10^(14)` Hz is produced by a laser . The power emitted is `2.0xx10^(-3)` W. Calculate the (i) energy of a photon in the light beam and (ii) number of photons emitted on an average by the source.

Calculate the energy of 1 mole of photons whose frequency is 6.0xx10^(14) Hz.

Light of frequency 6 xx 10^(14) Hz is incident on a metal whose work function is 2eV (h=6.63 xx 10^(-34) Js,leV =1.6 xx 10^(-19)J) . The maximum energy of electrons emitted will be:

If the speed of light is 3.0xx10^8ms^(-1) calculate the distance covered by light in 2.00 ' nanosecond.

A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb

Calculate the wavelength, frequency and wave riumber of a light wave whose period is '2.0 xx 10^(-10) s'

A photon of wavelength '4 xx 10^(-7) m' strikes on metal surface, the work function of the. metal being '2.13 eV .' Calculate (i) the energy of the photon '(eV)',

The work function of carsium metal is 2.14eV. When light of frequency 6 xx10^14 Hz is incident on the metal surface, photoemission of electrons occurs. (h=6.6 xx 10 ^-34 js) :-Calculate the maximum kinetic energy of the emitted electrons.

A radiation has a frequency of '6 xx 10^(14)' cycles per second (or 'Hz' ). Calculate the wavelength of the radiation in nanometers '(ln m=10^(-9)m)'

Calculate energy of one mole of photons of radiation whose frequency is 5xx10^14 Hz.