Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Waves
356 practice questions
Topics covered
Practice questions
81–90 of 356
Question 81
3 marks · Normal
Answer and see the solution →A car is moving at a high speed with its horn sounding. Compare what an observer in front of the car hears to what an observer behind the car hears. Explain your answer.
Question 82
5 marks · Normal
Answer and see the solution →The diagram below shows a water wave produced in a ripple tank. The motor can be set to vibrate at different frequencies.
(a)[2 marks]Explain the difference between a transverse wave and a longitudinal wave. Give one example of each.
(b)[2 marks]The frequency of the water waves is increased while keeping the wave speed constant. Describe and explain what happens to the wavelength.
(c)[1 mark]On a diagram of a transverse wave, label both the amplitude and the wavelength.
Question 83
1 mark · Easy
Answer and see the solution →State what is transferred by a wave as it travels from one place to another.
Question 84
1 mark · Easy
Answer and see the solution →When you shout across a field, your friend on the other side hears you. Has any of your breath (the air you breathed out) travelled to your friend? Explain briefly.
Question 85
1 mark · Easy
Answer and check →Which statement about waves is correct?
- A.Waves transfer energy but not matter.
- B.Waves transfer matter but not energy.
- C.Waves transfer both energy and matter together.
- D.Waves do not transfer anything.
Question 86
1 mark · Easy
Answer and see the solution →Give one example of something that waves can transfer apart from energy.
Question 87
1 mark · Easy
Answer and see the solution →A bell rings inside a vacuum chamber, but you cannot hear it from outside. What does this show about how sound waves transfer energy?
Question 88
1 mark · Easy
Answer and check →Which of these is not transferred by a wave?
- A.Energy
- B.Information
- C.Matter
- D.Vibrations
Question 89
1 mark · Easy
Answer and see the solution →Describe, in one sentence, how a wave moves energy across a lake after a stone is thrown in.
Question 90
1 mark · Easy
Answer and see the solution →A guitar string is plucked and begins to vibrate. What moves along the string to your ear: energy, matter, or both? Briefly explain.