Home / IGCSE Physics (0625) Paper 2 -Unit 3. Properties of waves, including light and sound-3.4 Sound

IGCSE Physics (0625) Paper 2 -Unit 3. Properties of waves, including light and sound-3.4 Sound

Question

 The diagram shows air particles in a sound wave.

Which row correctly identifies the position of a compression and position of a rarefaction?

Answer/Explanation

Ans:

A

Question

 Which row gives a possible set of values for the speed of sound in ice, in water and in steam?

Answer/Explanation

Ans:D

Question

What is the approximate wavelength in air of the highest frequency sound that can be heard by a normal healthy person?
A 0.02 m   

B 60 m               

C 20 000 m   

 D 7 000 000 m

Answer/Explanation

Ans: A

Question

The diagram represents a sound wave.

                     

What are the names of the parts of the sound wave labelled X and Y?

 

X

Y

A

amplitude

wavelength

B

compression

rarefaction

C

rarefaction

amplitude

D

wavelength

compression

Answer/Explanation

Ans: B

Question

The speed of sound is different in different states of matter.

The speed of sound in liquid water is 1500 m / s.

Which row correctly compares the speed of sound in ice and the speed of sound in water vapour with the speed of sound in water?

Answer/Explanation

Ans: C

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