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A plane progressive wave of frequency 25...

A plane progressive wave of frequency 25 Hz, amplitude `2.5xx10^(-5)m`, and initial phase zero moves along the negative x-axis with a velocity of 300 m/sec. A and B are two points at a separation of 6 m in the line of propagation. The phase difference is Find n.

A

`phi = pi`

B

`phi = 0`

C

`Delta =0`

D

`Delta = 5 xx 10^(-5)` m

Text Solution

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The correct Answer is:
A, D
`lamda=(300 m//s)/(25 Hz)=12 m`
Separation between A and B `=6 m=lamda//2`
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