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.Which of the following best describes damped vibrations?
- A.Vibrations that increase in amplitude over time.
- B.Vibrations that maintain constant amplitude.
- C.Vibrations that die out with time.
- D.Vibrations that occur only in a vacuum.
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2.In the given figure, pendulum (A) is set into vibrations. Which of the other three pendulums will vibrate with the maximum amplitude and for what reason?
- A.Pendulum (B), because it is closest to pendulum (A).
- B.Pendulum (C), because it is the longest pendulum.
- C.Pendulum (D), because it has the same length as pendulum (A).
- D.All pendulums will vibrate equally as energy spreads uniformly.
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3.Assertion: Echo is produced when sound is incident on hard and polished surface. Reason: Sound energy can be totally reflected by objects with soft and loose texture. (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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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.Free vibrations are
- a.The vibrations under the influence of a periodic force
- b.The vibrations with larger amplitude
- c.The vibrations when the frequency continuously decreases
- d.The vibrations with a constant frequency and constant amplitude
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