Assertion : On increasing the frequency of light larger number of photoelectrons are emitted. Reason : The number of electrons emitted depends on the intensity of incident light.

• A

  If both $A$ and and Reason are true and Reason is the correct explanation of Assertion.
• B

  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
• C

  If Assertion is true but Reason is false.
• Correct answer
  D

  If Assertion is false but Reason is true.

Hence, the correct answer is option: 'D'.