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To verify the laws of reflection of sound, students were asked to select the appropriate device to produce sound out of the following whistle,horn,stopwatch and table bell. Which would be the correct choice and why?

Asked by 26th February 2013, 6:58 PM
Answered by Expert
A whistel would be the best choice as it would produce a sound which will be of uniform intensity with time and a uniform frequancy.
Answered by Expert 26th February 2013, 7:41 PM
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