ICSE Class 10 Sound — Mock Test (2027)
Free online mock test for Sound (ICSE Class 10 Physics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.
What to expect: This mock test covers key concepts from the Sound chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.
Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.
Sample questions
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1.Assertion: The longitudinal waves are called pressure waves. Reason: Propagation of longitudinal waves through a medium involves changes in pressure and volume of air, when compression and rarefaction are formed. (a) Both assertion and reason are true and reason is the correct explanation of assertion. (b) Both assertion and reason are true but reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.
- A.Both assertion and reason are true and reason is the correct explanation of assertion.
- B.Both assertion and reason are true but reason is not the correct explanation of assertion.
- C.Assertion is true but reason is false.
- D.Assertion is false but reason is true.
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2.Two musical notes of the same pitch and loudness are played on a violin and a piano, producing different waveforms. What causes this difference?
Violin
- A.The instruments produce different pitches despite the same note.
- B.The instruments have different timbres due to varying overtones and harmonics.
- C.The instruments emit sound at different velocities.
- D.The instruments use different types of waves (mechanical vs. electromagnetic).
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3.Why does a vibrating tuning fork produce a louder sound when its stem is in contact with a table surface compared to when it is held close to the ear?
- A.The table reflects sound waves back to the fork.
- B.The table vibrates at the fork's frequency, amplifying the sound via resonance.
- C.The table converts the fork's vibrations into electrical signals.
- D.The table absorbs the fork's energy and releases it as heat.
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4.A pendulum vibrates at 4 vibrations per second. An observer starts the pendulum and fires a gun simultaneously. The echo from a cliff is heard after 6 vibrations of the pendulum. Given the speed of sound is $340\,\mathrm{ms}^{-1}$, what is the distance between the cliff and the observer?
- A.$255.00\,\mathrm{m}$
- B.$127.50\,\mathrm{m}$
- C.$63.75\,\mathrm{m}$
- D.$85.00\,\mathrm{m}$
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5.The amplitude of forced vibrations is generally ... than the amplitude of applied external force.
- a.more
- b.equal to
- c.less
- d.none of these
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