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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-9702-WA1-0011 markL1 FoundationCalculatorProgressive waves
A wave has frequency 5050 Hz and wavelength 0.400.40 m. Calculate its speed.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0041 markL1 FoundationCalculatorIntensity
The amplitude of a wave is doubled. State the factor by which its intensity increases.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0061 markL1 FoundationCalculatorProgressive waves
In a longitudinal wave, the particles of the medium oscillate
Choose one option

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0081 markL1 FoundationCalculatorProgressive waves
An oscilloscope trace has a peak 2.52.5 divisions above the centre line. The Y-gain is 0.200.20 V div⁻¹. Calculate the amplitude of the signal.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0091 markL1 FoundationCalculatorIntensity
The amplitude of a wave is halved. State the factor by which the intensity changes.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0121 markL1 FoundationCalculatorIntensity
The intensity of a wave is defined as
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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0022 marksL2 StandardCalculatorProgressive waves
Two points on a progressive wave of wavelength 0.400.40 m are 0.100.10 m apart along the direction of travel. Calculate their phase difference, in degrees.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0032 marksL2 StandardCalculatorProgressive waves
On an oscilloscope, one cycle spans 4.04.0 divisions with the time-base at 2.02.0 ms div⁻¹. Calculate the frequency.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0052 marksL2 StandardCalculatorIntensity
A 6060 W point source emits waves equally in all directions. Calculate the intensity at a distance of 2.02.0 m.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0071 markL2 StandardCalculatorProgressive waves
The phase difference between the centre of a compression and the centre of the next rarefaction in a sound wave is
Choose one option

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0101 markL2 StandardCalculatorIntensity
The intensity from a point source is II at 2.02.0 m. State the intensity at 4.04.0 m as a fraction of II.

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Salam Academy Original Practice · Proposed mark scheme
SA-9702-WA1-0113 marksL3 ExamCalculatorProgressive waves
Two points 0.150.15 m apart along a sound wave have a phase difference of 60∘60^\circ. The frequency is 400400 Hz. Calculate the speed of the wave.

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Salam Academy Original Practice · Proposed mark scheme