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While performing an experiment on verify...

While performing an experiment on verifying the laws of reflection of sound (Fig. 6.18), how can the reflected sound be detected better ?

A

near the end of the tube and keeping the other ear closed

B

near the end of the tube and keeping the other ear open

C

at about 5 cm from the end of the tube and keeping the other ear closed

D

at about 5cm from the end of the tube and keeping the other ear open

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The correct Answer is:
A
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