Assertion: The photoelectrons produced by a monochromatic light beam incident on a metal surface, have a spread in their kinetic energies. Reason: The work function of the metal varies as a function of depth from the surface.

Question

Assertion: The photoelectrons produced by a monochromatic light beam incident on a metal surface, have a spread in their kinetic energies. Reason: The work function of the metal varies as a function of depth from the surface. (A) If both assertion and reason are true and reason is the correct explanation of the assertion (B) If both assertion and reason are true but reason is not the correct explanation of the assertion (C) If assertion is true, but reason is false (D) Both assertion and reason are false statements

Tardigrade Admin · Accepted Answer

Statement is correct, but the work function only depends on the photoelectric metal.

Q. Assertion : The photoelectrons produced by a monochromatic light beam incident on a metal surface, have a spread in their kinetic energies. Reason : The work function of the metal varies as a function of depth from the surface.

If both assertion and reason are true and reason is the correct explanation of the assertion

If both assertion and reason are true but reason is not the correct explanation of the assertion

If assertion is true, but reason is false

Both assertion and reason are false statements

Statement is correct, but the work function only depends on the photoelectric metal.

Q. Assertion : The photoelectrons produced by a monochromatic light beam incident on a metal surface, have a spread in their kinetic energies.
Reason : The work function of the metal varies as a function of depth from the surface.