Photons of wavelength `6556 A^@` falls on a metal surface. If ejected electrons with maximum K.E. moves in magnetic field of `3 xx 10^(-4) T` in circular orbit of radius `10^(-2)` m, then work function of metal surface is

Photo-electrons are produced from a metal surface using a radiation of wavelength 6561Å . These photo-electrons, when made to enter a uniform magnetic field of intensity 3 xx 10^(-4) T, move along different circular paths with a maximum radius of 10mm, then the work function of the metal is close to

Photo-electrons are produced from a metal surface using a radiation of wavelength 6561Å . These photo-electrons, when made to enter a uniform magnetic field of intensity 3 xx 10^(-4) T, move along different circular paths with a maximum radius of 10mm, then the work function of the metal is close to

A photon of wavelength 500 nm falls on metal surface of work function 1.3 eV. An electron releases from metal moved in a perpendicular magnetic field. In a circular path of radius 30 cm. Then the magnitude of magnetic field be?

Radiation, with wavelenght 6561 Å falls on a metal surface to produce photoelectrons. The electrons are made to enter a uniform magnetic field of 3 xx 10^(-4) T. If the radius of the largest circular path followed by the electrons is 10 mm, the work function of the metal is close to:

Radiation, with wavelenght 651 Å falls on a metal surface to produce photoelectrons. The electrons are made to enter a uniform magnetic field of 3 xx 10^(-4) T. If the radius of the largest circular path followed by the electrons is 10 mm, the work function of the metal is close to:

The radiation corresponding to 3 to 2 transition of hydrogen atom falls on a metal surface to produce photoelectrons.These electrons are made to enter a magnetic field of 3xx10^(-4) T.If the radius of the largest circular path followed by these electrons is 10.0 mm the work function of the metal is close to: