The newest 10 of 10 written questions. Open one to see it on the real paper.
Explain why sound waves are unable to travel from the Sun to the Earth.
See it on the paper →In the school an electric bell rings to show that the lesson has ended. The bell makes sound waves that travel through the air. Sound waves cannot travel through a vacuum. Explain why sound cannot travel through a vacuum.
See it on the paper →Explain why it is not possible for the astronaut to communicate with Earth using sound waves.
See it on the paper →Some of the bus is made of iron. Other parts are made of steel. Iron and steel are both magnetic. Describe one difference between the magnetic properties of soft iron and the magnetic properties of steel.
See it on the paper →Describe how the sound wave travels through the air.
See it on the paper →Explain why an astronaut orbiting the Earth in a space-station sees the lightning but does not hear the thunder.
See it on the paper →Complete the sentence to describe sound waves. Sound waves transfer without transferring matter.
See it on the paper →State the approximate range of audible frequencies for a healthy human ear. from Hz to Hz
See it on the paper →The pitch and loudness of a sound wave are increased. State how the amplitude and the frequency of the sound wave changes. amplitude frequency
See it on the paper →In which direction do the particles of the medium vibrate?
See it on the paper →Sound not being able to travel through a vacuum was well known. Common errors were to suggest that the sound waves had a frequency outside the range of audible frequencies for a human or that the astronaut was too far away.
— Examiner report, May/June 2023, 0654/33 Q3(c)(ii) (Cambridge)
No candidates were able to answer this question with a clear correct response.
— Examiner report, February/March 2022, 0654/32 Q12(d) (Cambridge)
Surprisingly few candidates referred to vibration of the air particles, instead referring to the wave vibrating. Many candidates accurately described the movement as a series of compressions and rarefactions.
— Examiner report, February/March 2022, 0654/42 Q3(b)(ii) (Cambridge)
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