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Q.

A note is produced when you blow air across the top of a test tube. Two students were asked about the effect of blowing harder.
Student-A: The pitch of sound would increase.
Student-B: The intensity of sound would increase

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a

both are wrong

b

B is correct, A is wrong

c

A is correct, B is wrong

d

both are correct

answer is B.

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Detailed Solution

If we blow harder sound will have more energy

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