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Propagation of Sound Waves PHYSICS - Propagation of Sound Waves

ICSE - STD 9 - PHYSICS (ICSE - English Medium). 90 questions in this chapter.

Question types

Propagation of Sound Waves question types

90 questions across 6 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.

90
Questions
6
Question groups
5
Question types
Sample Questions

Propagation of Sound Waves questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 2MCQ1 Mark
The properties of ultrasound that make it useful are
  • A
    High power and high speed
  • ✓
    High power and good directivity
  • C
    High frequency and high speed
  • D
    High frequency and bending around the objects.

Answer: B.

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Q 4MCQ1 Mark
When sound travels in a medium $..........$
  • A
    the particles of the medium
  • B
    the source
  • ✓
    the disturbance
  • D
    the medium

Answer: C.

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Q 5MCQ1 Mark
The speed of light in air is :
  • ✓
    $ 3 \times 10^8 \mathrm{~m} \mathrm{~s}^{-1} $
  • B
    $ 330 \mathrm{~m} \mathrm{~s}^{-1} $
  • C
    $ 5100 \mathrm{~m} \mathrm{~s}^{-1} $
  • D
    $ 3 \times 10^{10} \mathrm{~m} \mathrm{~s}^{-1} $

Answer: A.

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Q 14[2 Mark Question Answer]2 Marks
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
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