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.Sound waves of wavelength $\lambda$ travelling in a medium with a speed of $v \, \mathrm{m/s}$ enter another medium, where its speed is $2 \, v \, \mathrm{m/s}$. What will be the wavelength sound waves in the second medium?
- a.$2 \, \lambda$
- b.$4 \, \lambda$
- c.$\lambda$
- d.$3 \, \lambda$
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2.The frequency of a source is $20\mathrm{kHz}$. The frequency of sound wave produced by it in water and air will be:
- A.$>20\mathrm{kHz}$
- B.$< 20\mathrm{kHz}$
- C.same as that of source
- D.depend upon velocity
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3.What are free vibrations of a body?
- A.Vibrations at the body's natural frequency without external interference.
- B.Vibrations caused by an external periodic force.
- C.Vibrations with continuously decreasing amplitude.
- D.Vibrations that occur only in a vacuum.
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4.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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5.Which of the following is an example of damped vibrations?
- A.Vibrations of a simple pendulum
- B.Vibrations of a tuning fork
- C.Vibrations of a stretched string
- D.Vibrations of a drum membrane
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