The K.E of a photo-electron, emitted on shining a light of wavelength 6.2 x 10-6 m on a metal surface of work function 0.1 eV, is.
A. 0.01 eV
B. 0.02 eV
C. 0.1 eV
D. 1.0 eV
Answer:C
The K.E of a photo-electron, emitted on shining a light of wavelength 6.2 x 10-6 m on a metal surface of work function 0.1 eV, is.
A. 0.01 eV B. 0.02 eV C. 0.1 eV D. 1.0 eV