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.

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.

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.

MCQ

Assertion and Reasoning

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.

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Chapter 3: Sound - Multiple Choice Questions and Assertion-Reason Type Questions [Page 216]

Chapter 3 Sound
Multiple Choice Questions and Assertion-Reason Type Questions | Q 44. | Page 216