Physics: Sound Wave MCQs
41. Question
the fork A of frequency !00hx is sounded with an other tuning fork B.the number of beats produced is 2. on putting some wax on the prong of B. the number of beats reduces to 1. the frequency of the fork B is
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42. Question
the eqation of a plan progressive wave is given by
y= 0.025 sin (100t + 0.25x).the frequecy wave would be
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43. Question
the velocityof sound in vaccume is
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44. Question
which of the following phenomenon cannot take place with sound wave ?
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45. Question
A tuning fork X produces 4 beats/sec with a tuning fork Y of frequency 384Hz. When the prongs of X are slightly filed, 3 beats/sec are heard.what is the original frequency of X?
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