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Complete the sentence to describe a longitudinal wave. longitudinal wave, direction
See it on the paper →State what happens to the amplitude of the sound waves.
See it on the paper →State what happens to the pitch of the sound.
See it on the paper →State the relationship between the direction of vibration and the direction of propagation of a transverse wave. 10 (a) (i)
See it on the paper →Circle all examples of transverse waves. seismic P wave sound visible light ultraviolet water wave (ii)
See it on the paper →Blue light waves have a frequency of 6.6 × 10 14 Hz. The speed of light is 3.0 × 10 8 m / s. Calculate the wavelength of the blue light waves. wavelength = m
See it on the paper →Ultrasound waves are longitudinal waves. Complete the sentences about longitudinal waves. Longitudinal waves are produced by vibrations which occur to the direction of energy transfer. Longitudinal waves travel through air in compressions and .
See it on the paper →Use the words below to complete the sentences about waves. You can use each word once, more than once or not at all. compression energy parallel force longitudinal rarefaction matter perpendicular transverse Waves transfer without transferring . A water wave is an example of a wave. In a water wave the oscillations are...
Most candidates could give perpendicular as the correct response.
— Examiner report, May/June 2025, 0654/42 Q10(a)(i) (Cambridge)
A common omission was to not include water waves. Sound being incorrectly identified was also commonly seen.
— Examiner report, May/June 2025, 0654/42 Q10(a)(ii) (Cambridge)
A common error was an incorrect rearrangement of the formula giving the value of 1.98 1023 or 2.2 108.
— Examiner report, May/June 2025, 0654/42 Q10(c) (Cambridge)
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State what is meant by a compression.
See it on the paper →Describe the wavelength of a sound wave in terms of compressions.
See it on the paper →Sound waves are longitudinal waves. Describe the differences between longitudinal and transverse waves. You may draw a diagram if it helps your answer.
See it on the paper →Fig. 6.3 shows soundwaves travelling in compressions (C) and rarefactions (R) from the loudspeaker to the ear of the man. ) to show one wavelength. On Fig. 6.3 use a double headed arrow ( C R C R C R C R C R C Fig. 6.3
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