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A wave pulse of frequency 200Hz, and a string moves a distance 8min 0.055 s.Calculate:(a) the velocity of pulse |
Answer» A) GIVEN,DISTANCE TRAVELLED BY STRING ,S = 8 M TIME TAKEN FOR THE PULSE TO MOVE THROUGH THE STRING,T =0.05 S VELOCITY OF THE PULSE =V= S/T V=8/0.05 =160 M/S SO, VELOCITY OF THE PULSE ,V=160 M/S FREQUENCY OF THE PULSE ,V=200 HZ HENCE, WAVELENGTH =V/V=160 M/S/200 HZ =0.8 M |
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