IGCSE Co-ordinated Sciences (9–1) 0973 · Physics · 63

0654.P3.1.04 — Know that for a longitudinal wave, the direction of vibration is parallel to the direction of propagation and understand that sound waves an: past paper questions

7 real questionsasked in 3 of the last 10 exam series2019–2026usually: Complete, State, Calculate, Show

Real questions on 0654.p3.1.04 — know that for a longitudinal wave, the direction of vibration is parallel to the direction of propagation and understand that sound waves an

The newest 7 of 7 written questions. Open one to see it on the real paper.

0973/42 · May/June 2026 · Q10b(i)[2]
(b) (i) Complete the sentence to describe a longitudinal wave. longitudinal wave, direction ..........
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0973/42 · May/June 2025 · Q10a(i)[1]
State the relationship between the direction of vibration and the direction of propagation of a transverse wave. 10 (a) (i)
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0973/42 · May/June 2025 · Q10a(ii)[2]
Circle all examples of transverse waves. seismic P wave sound visible light ultraviolet water wave (ii)
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0973/42 · May/June 2025 · Q10c[2]
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
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0973/31 · October/November 2021 · Q12e(iii)[1]
Fig. 12.2 shows a sound wave. On Fig. 12.2 label with a double headed arrow ( sound wave. or ) one wavelength of the Fig. 12.2
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0973/41 · October/November 2019 · Q12a(ii)[2]
The wavelength of ultrasound is 5 cm. Show that the frequency of the ultrasound is 30 000 Hz.
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0973/41 · October/November 2019 · Q12a(iii)[1]
Ultrasound waves travel as a series of compressions and rarefactions. Fig. 12.1 shows the positions of some compressions and rarefactions of an ultrasound wave. Fig. 12.1 On Fig. 12.1 label a compression with the letter C and a rarefaction with the letter R.
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What examiners said

Most candidates could give perpendicular as the correct response.
— Examiner report, May/June 2025, 0973/42 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, 0973/42 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, 0973/42 Q10(c) (Cambridge)

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In the syllabus

63 0654.P3.1.04 — Know that for a longitudinal wave, the direction of vibration is parallel to the direction of propagation and understand that sound waves an

Know that for a longitudinal wave, the direction of vibration is parallel to the direction of propagation and understand that sound waves and seismic P-waves (primary) are longitudinal 3 Describe the features of a wave in terms of wavelength, frequency, crest (peak), trough, amplitude and wave speed 4 Describe how waves can undergo: 8 Describe how waves undergo diffraction (a). reflection at a plane surface through a narrow gap (b) . refraction due to a change of speed 5 Recall and use the equation for wave speed v = fλ

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