When two sound waves travel in the same direction in a medium, the displacements of a particle located at at time t is given by: |
Where and are in meters and t in seconds. The speed of sound in the medium is: [JEE ONLINE 09-04-2013] |
A) 92 m/s
B) 200 m/s
C) 100 m/s
D) 332 m/s
Correct Answer: B
Solution :
[b] |
As, both the waves moves with the same speed, so the speed of resultant wave should be 200 m/s. |
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