Physics-Photoelectric Effect

NEET Physics Photoelectric Effect Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 12

Assertion (A): The photoelectric emission is an instantaneous process. | Reason (R): The energy required for electron emission can be supplied by irradiating the metal with light of suitable frequency.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Correct Answer

Option B

Detailed Explanation

The photoelectric effect is indeed instantaneous, and while the reason states a true method of supplying energy, it does not explain the instantaneous nature of the emission.

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