Q7. The graph shows the variation with distance of the displacement of a progressive wave. displacement Q 3.9 distance / m 0.25 m What is the phase difference between points P and Q? A 0.22 rad 0.40 rad 1.2 rad D 1.4 rad

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Q7.
The graph shows the variation with distance of the displacement of a progressive wave.
displacement
Q
3.9
distance / m
0.25 m
What is the phase difference between points P and Q?
A
0.22 rad
0.40 rad
1.2 rad
D
1.4 rad
Transcribed Image Text:Q7. The graph shows the variation with distance of the displacement of a progressive wave. displacement Q 3.9 distance / m 0.25 m What is the phase difference between points P and Q? A 0.22 rad 0.40 rad 1.2 rad D 1.4 rad
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