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Question 63
F

A sound wave passes through three materials, P, Q and R. Its frequency remains constant. Its speed doubles from P to Q, then decreases to one quarter of its value in Q on entering R.

The wavelength in P is 0.80 m. What is the wavelength in R?

[1]
A

0.20 m0.20\ \mathrm{m}0.20 m

B

0.40 m0.40\ \mathrm{m}0.40 m

C

1.60 m1.60\ \mathrm{m}1.60 m

D

6.40 m6.40\ \mathrm{m}6.40 m

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4 Waves Questions

  1. GCSE
  2. /Physics
  3. /4 Waves

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