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Physics-Applications of EM Waves

NEET Physics Applications of EM Waves Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): Infrared waves are referred to as heat waves.

Reason (R): Infrared waves increase the thermal motion of molecules after absorption, heating them and their surroundings.

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

Infrared waves are called heat waves because they increase the thermal motion of molecules after absorption, thus heating them and their surroundings, as described in the NCERT context.

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