Question

Assertion (A): Greater the mass of air which can be set into vibration, the louder will be sound.

Reason (R): The intensity of sound is related to its frequency.

विकल्प

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

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

• If Assertion is true, but the Reason is false.

• If Assertion is false, but the Reason is true.

Answer 1

If Assertion is true, but the Reason is false.

Explanation:

Assertion (A) is true. When a greater mass of air is set into vibration, more energy is transferred to the surrounding air, producing a louder sound.

Reason (R) is false. The intensity of sound depends mainly on the amplitude of vibration, not directly on its frequency.

Therefore, A is true, but R is false.