Physics: Sound Wave MCQs
6. Question
The equation of a progressive wave travelling on a stretched string is y=10 sin (t/0.02-x/100) where x and y are in cm and t is in sec. what is the speed of the wave?
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7. Question
when compression is an incident on the rigid wall it is relected as
π
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8. Question
when compression is incident on a rigid wall it is reflected as
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9. Question
the wavelength of sound in air is 10cm. its frequency is ,(given velocity of sound=330m/s)
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10. Question
Two waves are represented by
y1 = a sin (ωt+ π/6) and y2 = a cos ωt, what will be their resultant amplitude?
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