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Progressive and stationary waves

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Question 14

A stationary wave is set up on a stretched wire of length $L$ and diameter $D$ . A second wire is made from the same material and is stretched with the same tension as the first wire. What length and diameter for the second wire would result in it having an identical first-harmonic frequency to the first wire?

A

Length: $2 L$ , Diameter: $2 D$

B

Length: $2 L$ , Diameter: $D2\frac{D}{2}$

C

Length: $L$ , Diameter: $2 D$

D

Length: $L2\frac{L}{2}$ , Diameter: $2 D$

Markscheme

Progressive and stationary waves Questions

A Level
Physics
Progressive and stationary waves

25 exam-style questions on AQA A Level Physics Progressive and stationary waves, covering Progressive waves, Longitudinal and transverse waves, and Principle of superposition of waves and formation of stationary waves. Each one has a worked solution and a mark scheme showing where the marks go.

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