Physics-
General
Easy
Question
A wave motion has the function 
. The graph in figure shows how the displacement y at a fixed point varies with time t. Which one of the labelled points shows a displacement equal to that at the position 
at time t = 0
- P
- Q
- R
- S
The correct answer is: Q
At t = 0 and . The displacement
from graph. Point of maximum displacement (a0) in negative direction is Q.
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