A source is producing 20 waves in 4 seconds. the distance between a crest and the adjacent trough is 10cm. find the velocity of the wave
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Answer:
frequency = No. of occletion /time
speed = wave length * frequency
Step-by-step explanation:
f= no. of occleation /t
f = 20/4
f= 5Hz
when the first is produced it will 10 CM away from the socurce .
lambda = 10cm
velocity =lambda * f
v =10 * 5
v= 50 cm/sec
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