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.The wavelength of a sound wave is $66\mathrm{m}$. Calculate the frequency of the wave, if the velocity of sound is $330\mathrm{m\,s^{-1}}$. Would this sound be audible to the human ear?
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2.Bats use this technique to detect their prey and hunt them.
- A.flapping their wings
- B.reflection of sound waves
- C.echo
- D.both (b) and (c)
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3.If a string is set into vibration on the surface of the moon, will the sound produced be audible to a human ear? Why or why not?
- A.Yes, because sound can travel through solids on the moon
- B.No, because the moon has no atmosphere to propagate sound waves
- C.Yes, because vibrations create sound regardless of the medium
- D.No, because the moon's gravity is too weak to produce sound
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4.A radar sends a signal to an aircraft at a distance of 30 km away and receives it back after 2 × 10⁻⁴ second. What is the speed of the signal?
- A.1.5 × 10⁸ m s⁻¹
- B.3 × 10⁸ m s⁻¹
- C.6 × 10⁸ m s⁻¹
- D.3 × 10⁵ m s⁻¹
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5.Two strings produce notes of the same pitch and loudness but different quality. What accounts for this difference?
- A.Difference in amplitude of vibrations
- B.Variation in the harmonics present
- C.Difference in the speed of sound in strings
- D.Variation in the material density of strings
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