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Question 73
F

The table shows the speed of sound in two liquids.

LiquidSpeed in m/s\mathrm{m/s}m/s
P1200
Q1800

A sound wave has a wavelength of 0.60 m in P and passes into Q. By how much does its wavelength increase?

[1]
A

0.20 m0.20\ \mathrm{m}0.20 m

B

0.30 m0.30\ \mathrm{m}0.30 m

C

0.90 m0.90\ \mathrm{m}0.90 m

D

1.50 m1.50\ \mathrm{m}1.50 m

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4 Waves Questions

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