Leadership

Physics

Eight Standard

Test your understanding of this lesson Sound | Introduction:-

1)
What is sound?
  • A form of matter
  • A form of energy
  • A mixture of matter and energy
  • None of above
2)
What is Oscillation?
  • To and fro motion
  • One directional motion
  • Circular motion
  • Elliptical motion
3)
What is essential for sound propagation?
  • Vacuum i.e no medium
  • Solid medium
  • Gas medium
  • Medium at any state
4)
Is oscillation a periodic motion?
  • Yes
  • NO
  • Depends on the material oscillating
  • Insufficient information
5)
Can we hear a source oscillating in space?
  • Insufficient information
  • Depends on the material oscillating
  • Yes, as there is no medium
  • No, as there is no medium
Hand draw

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