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The equation of the progressive wave is ...

The equation of the progressive wave is `y = 3 sin[pi(t/3-x/5)+pi/4]` , where x and y are in metre and time in second. Which of the following is correct.

A

velocity V=1.5m/s,

B

amplitude A=3cm

C

frequency F=0.2Hz

D

wavelength `lambda=10m`

Text Solution

Verified by Experts

The correct Answer is:
D
`y=3 sin [2pi ((t)/(6)-(x)/(10))+pi/4]`
Compare, `y=A sin [2pi ((t)/(T)-(x)/(lamda))+pi/4]` x and y are metre
`therefore lambda=10m`
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