A stream of photons having energy 3.07 eV is incident on a metal plate of area `1 cm^(2)` with an intensity of `1W.m^(-2)`. If 1% of the incident photons emit photoelectrons, determine the value of saturation current.

A stream of photons of energy 10.6 eV and intensity 2.0 W m^(-2) is incident on a platinum surface. Area of the surface is 1.0 xx 10^(-4) m^(2) and its work function is 5.6 eV. 0.53 % of incident photons emit photoelectrons. Find the number of photoelectrons emitted per second and maximum and minimum energies of the emitted photoelectrons in eV. (1eV = 1.6 xx 10^(-19)J)

A photon of energy 8eV is incident on a metal plate with threshold frequency 1.6 xx 10^(15) Hz. The maximum kinetic energy of the emitted photo electrons is (given h= 6 xx 10^(-34) Js )

A beam of photons of energy 5.0 eV is incident on a metal surface, whose work function is 3.0 eV. The metal remains isolated and the photoelectrons are being removed instantaneously after their emission. Although photoelectric emission akes places initially, but after some times it ceases. Explain it with reasons.

When photons of energy 6eV is incident on a metal surface, the kinetic energy of the fastest electrons becomes 4eV. The value of stopping potential is (in V)

If photons of energy 6eV are incident on a metallic surface, the kinetic energy of fastest electrons becomes 4eV. What is the value of the stopping potential?

A photon of wavelength 4x10^-7 m strikes a metal surface work function of the metal is 2.13eV calculate the kinetic energy of the emitted photoelectrons in eV

The threshold frequency of a metal is f_(0) . When the light of frequency 2f_(0) is incident on the metal plate, the maximum velocity of electrons is v_(1) . When the frequency of the incident radiation is increased to 5f_(0) , the maximum velocity of electron emitted is v_(2) . Find the ratio of v_(1) to v_(2) .

Light of wavelength 6000Å is incident on a metal. To release an electron from the metal surface, 1.77 eV of energy is needed. Find the kinetic energy of the fastest photoelectron. What is the threshold frequency of the metal? (h = 6.62 xx 10^(-27) " erg".s, 1eV = 1.6 xx 10^(-12) " erg")

When the light of frequency 2v_(0) (where v_(0) is threshold frequency) is incident on a metal plate, the maximum velocity of electrons emitted is v_(01) . When the frequency of the incident radiation is increased to 5 v_(0) , the maximum velocity of electrons emitted from the same plate is v_(2) . The ratio of v_(1) to v_(2) is

Work function for a metal is 1.77 eV and the wavelength of an incident ray on that metal is 5893 Å . Determine the maximum kinetic energy of the photoelectrons emitted from that metal.