Photoelectric EffectHard
Question
The kinetic energy of most energetic electrons emitted from a metallic surface is doubled when the wavelength of the incident radiation is changed from 400 nm to 310 nm the work-function of the metal is :
Options
A.0.9 eV
B.1.7 eV
C.2.2 eV
D.3.1 eV
More Photoelectric Effect Questions
In the experiment of photoelectric effect, collector is kept at +2 volt potential w.r.t. emitter. If energy of each phot...Photon of energy 6 eV is incident on a metal surface of work function 4 eV. Maximum KE of emitted photo electrons will b...The ionisation energies of K-shell for cobalt, copper, and molebdenum are 7.8, 9.0 and 20.1 keV respectively. If any met...In coolidge tube the potential difference between cathode and anticathode is 120 kV. The maximum energy of emitted X-ray...The value of stopping potential is :...