Work functions of two metals A and B are 3.1 eV and 1.9 eV respectively. Light of wavelength `3000 Å` is incident on both the surfaces.

Work functions for metals A and B are 2 eV and 4 eV respectively. Which metal has a lower threshold wavelength and why ?

The photoelectric work function of a metal is 1.2 eV. What will be the stopping potential for a radiation of wavelength 5500 Å incident on its surface?

The work function of metal is 1 eV . Light of wavelength 3000 Å is incident on this metal surface . The velocity of emitted photo - electrons will be

The work function of metal is 1 eV . Light of wavelength 3000 Å is incident on this metal surface . The velocity of emitted photo - electrons will be

Work functions of three metals A, B and C are 1.92 eV, 2.0 eV and 5. eV respectively. Which metal will emit photoelectrons when a light of wavelength 4100Å is incident on the metal surfaces?

The work function of a metal surface is 2.0 eV. Light of wavelength 5000 Å is incident on it:

The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is incident on this metal surface. The velocity of emitted photoelectrons will be

The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is incident on this metal surface. The velocity of emitted photoelectrons will be