Wave Particle D...

Statement - 1 : Kinetic energy of photo electrons emitted by a photosensitive surface depends upon the intensity of incident photon.
Statement - 2 : The ejection of electrons from metallic surface is possible with frequency of incident photon is more than the threshold frequency.

The kinetic energy of the fastest photoelectrons emitted is 0.73 eV, when light falls on a metal plate of work function 1.82 eV. Find the energy (in eV) of the photons causing the photoelectric emission.

A photon of frequency f causes the emission of a photoelectron of maximum kinetic energy E_k, when it strikes a metal surface. If a photon of frequency 3f is incident on the same metal, the maximum kinetic energy of the emitted photoelectron

Statement - 1 : Photosensitivity of a metal is high if its work function is small.

Statement - 2 : Work function = hf₀ where f₀ is the threshold frequency.

Statement - 1 : Photoelectric effect demonstrates the particle nature of light.

Statement - 2 : The number of photoelectrons is proportional to the frequency of light.