Physics-(general)

NEET Physics (general) Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): The radiation emitted from rarefied gases heated in a flame has discrete wavelengths. | Reason (R): In rarefied gases, the average spacing between atoms is large, allowing radiation to be considered as due to individual atoms.

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 NCERT context explains that the large spacing between atoms in rarefied gases leads to the radiation being emitted as discrete wavelengths, supporting the assertion and reason.

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