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 metal rod of length I is moved with velocity v in a uniform magnetic field vec B . Emf is induced between the two ends of rod

In a photocell bichromatic light of wavelength 2475 Å and 6000 Å are incident on cathode whose work function is 4.8 eV . If a uniform magnetic field of 3 xx 10^(-5) Tesla exists parallel to the plate , the radius of the path describe by the photoelectron will be (mass of electron = 9 xx 10^(-31) kg )

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

When photons of energy hv fall on a metal plate, having a work function W, the maximum kinetic energy of the ejected photo electrons is K. What will be the maximum K.E. of the ejected photo electrons, from the same plate if the frequency of incident radiation is doubled ?

Light of wavelength 1800 Å ejects photoelectrons from a plate of a metal whose work functions is 2 eV. If a uniform magnetic field of 5xx10^(-5) tesla is applied parallel to plate, what would be the radius of the path followed by electrons ejected normally from the plate with maximum energy.

A light beam of wavelength 500 nm is incident on a metal having work function of 1.25 eV, placed in a magnetic field of intensity B. The electrons emitted perpendicular to the magnetic field B, with maximum kinetic energy are bent into circular arc of radius 30 cm. The value of B is "______" xx 10^(-7) T. Given hc = 20 xx 10^(-26) J-m , mass of electron = 9 xx 10^(-31) kg

Light of wavelength 180 nm ejects photoelectrons from a plate of metal whose work - function is 2 eV. If a uniform magnetic field of 5xx10^(-5) T be applied parllel to the palte, what would be the radius of the path followed by electrons ejected normally from the plate with maximum energy.

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) .