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While performing an experiment on verifying the laws of reflection of sound, the 'reflected sound' can be detected better by keeping one ear :(1) near the end of the tube and keeping the other ear closed(2) near the end of the tube and keeping the other ear open(3) at about 5 cm from the end of the tube and keeping the other ear closed(4) at about 5 cm from the end of the tube and keeping the other ear open |
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Answer» While performing an experiment on verifying the laws of reflection of sound, the 'reflected sound' can be detected better by keeping one ear : (1) near the end of the tube and keeping the other ear closed (2) near the end of the tube and keeping the other ear open (3) at about 5 cm from the end of the tube and keeping the other ear closed (4) at about 5 cm from the end of the tube and keeping the other ear open |
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