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Waves
Question
A whistle producing sound waves of frequencies 9500 Hz and above is approaching a stationary person with speed v ms−1. The velocity of sound in air is 300 ms−1. If the person can hear frequencies upto a maximum of 10,000 Hz, the maximum value of v upto which he can hear the whistle is
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-
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15 ms-1
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30 ms-1
Solution
C.
15 ms-1
Some More Questions From Waves Chapter
The sound waves after being converted into electrical waves are not transmitted as such because
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