A sound wave produce 20 crests and 20 troughs in 0.2s .The distance between a crest and next trough is 50cm. Find wave length,frequency and time period of a sound wave
Answers
Answered by
2
Wavelength = 20m
Time= 0.2 s
f= Wavelength/ time
=100hz
Time period =1/f
=1/100= 0.01 s
Time= 0.2 s
f= Wavelength/ time
=100hz
Time period =1/f
=1/100= 0.01 s
Similar questions