A photon of wavelength is incident on a photoelectric plate and the most energetic…
PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation
Problem
A photon of wavelength λ is incident on a photoelectric plate and the most energetic electron from photoelectric plate is incident on a target metal of X-ray tube. If the minimum wavelength of photon emitted from target material is 2λ then work function of photoelectric plate is:
(A) λhc
(B) 2λhc
(C) 4λhc
(D) 8λhc