Chemistry-Quantum Mechanical Model

NEET Chemistry Quantum Mechanical Model Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 11

Assertion (A): The photoelectric effect can be observed even with low intensity yellow light on potassium metal. | Reason (R): The energy of emitted photoelectrons depends on the frequency of incident light, not its intensity.

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.

Correct Answer

Option A

Detailed Explanation

The photoelectric effect depends on the frequency of light, and yellow light has a frequency above the threshold frequency for potassium. Hence, both assertions are true, and the reason correctly explains the assertion.

Found an issue with this question?