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A wave moving with constant speed on a u...

A wave moving with constant speed on a uniform string passes the point `x=0` with amplitude `A_0`, angular frequency `omega_0` and average rate of energy transfer `P_0`. As the wave travels down the string it gradually loses energy and at the point `x=l`, the average rate of energy transfer becomes`P_0`/2. At the point `x=l`. Angular frequency and amplitude are respectively:

A

`omega_(0)"and "(A_(0))/(sqrt(2))`

B

`omega_(0)/(sqrt(2))"and"A_(0)`

C

less then `omega_(0)` and `A_(0)`

D

`(omega_(0))/(sqrt(2))` and `(A_(0)0/(sqrt(2))`

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The correct Answer is:
A
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