The energy of incident radiation, which emits the electrons with a velocity of `2.5 xx 10^(6)` m/s and work function 1.8 e V , is

A radiation of 3300 Å falls on a metal to eject electrons with a maximum velocity of 0.4 xx10^6 m//s, the value of the work function of metal is nearly (h=6.6 xx10^-34J-s,m_e =9.1 xx10^-31 kg)

A radiation of 3300 Å falls on a metal to eject electrons with a maximum velocity of 0.4 xx10^6 m//s, the value of the work function of metal is nearly (h=6.6 xx10^-34J-s,m_e =9.1 xx10^-31 kg)

Photons of energy 4 eV are incident on a metal. Maximum velocity of photo electrons emitted is v . When energy of incident radiations is decreased by 50%, velocity is halved, Work function of the metal is

When ultraviolet rays of wavelength 620 Å is incident on a hydrogen atom in the ground state, its electron is emitted with a velocity of 1.5 xx10^(6) m *s^(-1) . What is the ionisation energy of hydrogen ? Given , h= 6.625xx10^(-34)J *s , mass of electron = 9.1 xx 10^(-31)kg, c=3xx 10^(8)m*s^(-1) and 1 eV=1.6xx 10^(-19)J .

An electron of work function 1.4 eV is emitted with a velocity 5 xx 10^(6) m/s . The wavelength of the incident radiation is

The photoelectron of work function 3.1 eV is emitted with velocity 2.5 xx 10^(6) m/s . The frequency of incident radiation is

An electron of work function 1.4 eV is emitted with a velocity 5 xx 10^6 m/s .The wavelength of the incident radiation is

For a monochromatic radiation incident on the metal surface, the photoelectrons are emitted with a maximum velocity of 10^(6)m.s^(-1) . What will be the stopping potential?