The wavelength corresponding to the threshold frequency for a certain metal is `5000overset@ A. Calculate the Max. K.E. of the photoelectron emitted when ultraviolet light of wavelength `2500overset@A` falls on it.

The threshold wavelength for silver is 3800overset@ A . Calculate maximum kinetic energy in eV of photoelectrons emitted when ultraviolet light of wavelength 2600overset@ A falls on it. Also calculate stopping potential ( 1 eV = 1.6 xx 10^-19 J , Planck's constant = h = 6.63 xx 10^-34 Js , speed of light in vacuum = 3 xx 10^8 m//s ).

Calculate the energy of a photon in a light of wavelength 5000overset@ A.

Calculate the energy of a photon, in joule and eV, in a light of wavelength 5000 overset@A .

The threshold wavelength for silver is 3800overset@ A .Calculate the photoelectric work function for silver in eV.

If the work function for a certain metal is 1.8eV: What is the stopping potential for electrons ejected from metal when light of wavelength 4000overset@ A shines on metal

The work function of a metal is 4.3 eV. Find the K.E. and the velocity of photoelectrons emitted when radiation of wavelength 2500 overset (@)(A) is incident on it. (Mass of electron 9.1 xx 10^-31 kg )

The threshold frequency for silver is 7.89 xx 10^14 Hz . Calculate the maximum kinetic energy of electron emitted by silver when light of frequency 11.54 xx10^14Hz is incident on it.

Find the number of photons emitted per second by a 25 W source of monochromatic light of wavelength 6000overset@ A .

Aluminium metal has a threshold frequency corresponding to wavelength 4770overset@ A . Calculate the photoelectric work function for aluminium and express it in eV.

Photoelectric work function for a metal surface is 3 eV. Find maximum K.E., maximum speed of photoelectron emitted when radiation of wavelength 4000overset@ A is incident, (mass of electron= 9.1 xx 10^-31 kg ).