Physics (AS & A Level) · Oct / Nov 2022 · Paper 11 · Question 27
9702Stationary waves
A stationary sound wave is formed in a tube of length L that is closed at one end. The diagram shows the positions of the nodes and antinodes of the stationary wave. Which graph shows the variation of the amplitude a of the wave with distance x measured from the closed end of the tube?
- Agraph A
- Bgraph B
- Cgraph C
- Dgraph D
As printed in the paper
Show the answer
Correct answer: A. graph A
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