A light beam of frequency `v` incident on a metal of work function `phi` ,which is kept in ,region of uniform magnetic field `vec B` .What will be greatest radius of circle traced by photo electrons

A beam of ligth having frequency v is incident on an initially neutral metal or work function phi(hv gt phi) . Then

A beam of light of wavelength lambda is incident on a metal having work function phi and placed on a metal having work function phi and placed in a magnetic field B. The most energetic electrons emitted perpendicular to the field are bent in circular arcs of radius R. Then

A light of 4 eV incident on metal surface of work function phi eV . Another light of 2.5 eV incident on another metal surface of work function phi_2 eV . Find the ratio of maximum velocity of photo electrons (v_1/v_2) .

A light of 4 eV incident on metal surface of work function phi eV . Another light of 2.5 eV incident on another metal surface of work function phi_2 eV . Find the ratio of maximum velocity of photo electrons (v_1/v_2) .

In a chamber of uniform magnetic field vec B , an electron beam enters with velocity vec v . Write the expression for force experienced by the electrons

A beam of 450 nm light is incident on a metal having work function 2eV and placed in a magnetic field B. If the most energetic electrons emitted are bent into circular are of radius 0.2 m, find B.

A beam of 450 nm light is incident on a metal having work function 2.0 eV and placed in a magnetic field B. The most energetic electrons emitted perpendicular to the field are bent in circular arcs of radius 20 cm. Find the value of B.

A beam of 450 nm light is incident on a metal having work function 2.0 eV and placed in a magnetic field B. The most energetic electrons emitted perpendicular to the field are bent in circular arcs of radius 20 cm. Find the value of B.