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.

Sample questions

1. 1.Resonance occurs when a body vibrates with increased amplitude due to an external force. Which condition must be met for resonance to take place?
   • A.The applied force must be stronger than the body's restoring force.
   • B.The frequency of the applied force must match the body's natural frequency.
   • C.The body must be in a vacuum to avoid damping.
   • D.The amplitude of the applied force must exceed 10 cm.
2. 2.The frequency of a vibrating string depends on which of the following factors? Select the correct combination.
   • A.Length, tension, and mass per unit length of the string.
   • B.Length, amplitude, and temperature of the string.
   • C.Tension, density, and humidity of the surrounding air.
   • D.Mass per unit length, amplitude, and elasticity of the string.
3. 3.A person standing between two vertical cliffs and $480\,\mathrm{m}$ from the nearest cliff shouts. He hears the first echo after $3\,\mathrm{s}$ and the second echo $2\,\mathrm{s}$ later. Calculate: (a) The speed of sound. (b) The distance of the other cliff from the person.
4. 4.To locate its prey in the darkness the owl or the bat emits:
   • A.ultrasonic waves
   • B.infrasonic waves
   • C.sonic waves
   • D.infrared waves
5. 5.The spread of a glacier in the arctic region can be judged by a submarine by using the principle of
   • A.reflection of sound
   • B.refraction of sound
   • C.repetition of sound
   • D.none of the above