Pearson Edexcel GCSE (9-1) · Physics (1PH0)

Wave properties and wave speed: Practice Questions

5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Wave properties and wave speed.

8 questions15 marksFree, no account

Question 1

1 mark

Which of the following statements correctly describes how waves transfer energy and information?

Question 2

1 mark

In a medical ultrasound scan, a pulse of frequency \(3.5\text{ MHz}\) is used. If the speed of ultrasound in human tissue is \(1540\text{ m/s}\), calculate the wavelength of this ultrasound wave.

Question 3

1 mark

A sound wave travels from a liquid into a solid. The frequency of the wave is \(2.0\text{ kHz}\). In the liquid, the wave travels at \(1500\text{ m/s}\). When it enters the solid, its speed increases to \(4000\text{ m/s}\). Calculate the change in the wavelength of the sound wave.

Question 4

1 mark

A sound wave has a frequency of \(500\text{ Hz}\) and a wavelength of \(0.68\text{ m}\). Calculate the velocity of the sound wave.

Question 5

1 mark

A sonar system on a ship sends a pulse of ultrasound to the seabed. The pulse is detected \(1.2\text{ s}\) after it was sent. If the speed of sound in water is \(1500\text{ m/s}\), what is the depth of the water?

Question 6

2 marks

A wave has a frequency of \(10\text{ Hz}\) and a wavelength of \(2\text{ m}\). Calculate the wave speed.

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Question 7

3 marks

Describe the difference between longitudinal and transverse waves in terms of the direction of vibrations relative to the direction of wave travel.

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Question 8

5 marks

Explain why a wave refracts when it passes from deep water into shallow water at an angle, in terms of its speed and direction.

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