Photoelectric EffectHard
Question
The energy that should be added to an electron to reduce its De broglie wavelength from 10-10m to 0.5 × 10-10 m will be :
Options
A.Four times the initial energy
B.Equal to initial energy
C.Twice the initial energy
D.Thrice the initial energy
More Photoelectric Effect Questions
The mass of nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of nu...Photon of energy 6 eV is incident on a metal surface of work function 4 eV. Maximum KE of emitted photo electrons will b...Let n1 be the frequency of the series limited of the Lyman series, ν2 be the frequency of the first line of the Lym...Photoelectrons are emitted by a metal surface only, when :...In photoelectric emission process from a metal of workfunction 1.8 eV, the kinetic energymost energetic electron is 0.5 ...