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Question
Assertion :Two pure tones with different frequencies sounded at once will create the phenomenon known as beats. Reason: If the beats are slow enough, you should be able to hear a variation in intensity.
Assertion :Two pure tones with different frequencies sounded at once will create the phenomenon known as beats. Reason: If the beats are slow enough, you should be able to hear a variation in intensity.
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
When two instruments with different frequency vibrate together, then beats are noticed due to superposition of sound waves.We see variation in total intensity if the beats are little slow. So the answer is B
When two instruments with different frequency vibrate together, then beats are noticed due to superposition of sound waves.
We see variation in total intensity if the beats are little slow.
So the answer is B
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