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.A certain sound has a frequency of 256 hertz and a wavelength of $1.3\,\mathrm{m}$. (i) Calculate the speed with which this sound travels. (ii) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength $2.6\,\mathrm{m}$?
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2.Which of the following methods can stop a rattling sound in a vehicle?
- A.Increase the volume of the music system
- B.Change the speed of the vehicle
- C.Replace the vehicle's tires
- D.Tighten all bolts in the engine
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3.An ultrasonic scanner operating at a frequency of 4.2 MHz is used in a hospital to locate tumours in a tissue where the speed of sound is 1.7 km s⁻¹. What is the wavelength of the sound in the tissue?
- A.0.405 mm
- B.0.245 mm
- C.2.47 mm
- D.4.05 mm
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4.Which of the following methods can decrease the frequency of transverse vibrations of a stretched string?
- A.Increasing the tension in the string while keeping its length and mass per unit length constant.
- B.Increasing the mass per unit length of the string while keeping its length and tension constant.
- C.Shortening the length of the string while keeping its tension and mass per unit length constant.
- D.Decreasing the mass per unit length of the string while keeping its length and tension constant.
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5.Modern super sonic war planes use the principle of... while detecting their targets.
- A.SONAR
- B.echo
- C.reverberation
- D.none of these
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