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: Sound energy gets absorbed by objects with soft and loose texture. Reason: Sound waves are mechanical waves and require a medium to travel. (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.Assertion (A): As the level of water in a tall measuring cylinder kept under running tap rises, the pitch of sound gradually increases. Reason (R): Frequency of sound is inversly proportional to the length of the water column.
- a.Both (A) and (R) are true and (R) is correct explanation of (A).
- b.Both (A) and (R) are true and (R) is not the correct explanation of (A).
- c.(A) is true but (R) is false.
- d.(A) is false but (R) is true.
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3.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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4.An observer stands at a certain distance away from a cliff and produces a loud sound. He hears the echo of the sound after 1.8 s. What is the distance between the cliff and the observer if the velocity of sound in air is 340 m s⁻¹?
- A.153 m
- B.306 m
- C.612 m
- D.918 m
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5.A boy standing in front of a wall produces two whistles per second. He notices that the sound of his whistling coincides with the echo. The echo is heard only once when whistling is stopped. Calculate the distance between the boy and the wall. (The speed of sound in air $= 320\mathrm{m / s}$)
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