The diagram below represents a set-up in which a ruler is fixed to a desk and its free end pulled to positions L. M. and...

      

The diagram below represents a set-up in which a ruler is fixed to a desk and its free end pulled to positions L. M. and N. At each position the free end is released to produce sound.

The set-up can be used to investigate
A. Special sounds
B. Loud and soft sound
C. Direction of sound
D. Noise pollution.

  

Answers

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The correct answer is B. loud and soft sound

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sharon kalunda answered the question on July 30, 2019 at 08:52

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