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A composite string is made up of two un...

A composite string is made up of two uniform strings having mass per units length ` mu ` and ` 4mu ` The string is under uniform surface tension.A transverse wave pulse ` y= 6 sin ( 5t+ 40X) ` where y in mm, x is metres and t is in seconds,is sent through the lighter string towards joints,which is at x=0
The equation of transmitted pulse is,

A

`(4mm )sin (5t-40x) `

B

`(2mm )sin (40x -5t) `

C

` (4mm ) sin ( 5t+ 40x ) `

D

` (2mm) sin ( 5t-40x)`

Text Solution

Verified by Experts

The correct Answer is:
D
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