Interference & Stationary Waves (Edexcel A Level Physics)

Exam Questions

40 mins4 questions
1
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1 mark

The diagram represents an arrangement used to generate standing waves on a string.

q10-nov-2021-9ph0-02-edexcel-as-a-level-phy

A standing wave pattern with two nodes is obtained as shown.

q10-1-nov-2021-9ph0-02-edexcel-as-a-level-phy

Which of the following single changes could produce a standing wave pattern with three nodes?

  • decreasing the distance between the vibration generator and pulley

  • decreasing the frequency of the vibration generator

  • decreasing the mass on the mass hanger

  • decreasing the mass per unit length of the string

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