Physics
The waves carry …………… energy of the vibrating particles with them so as to produce a sensation of hearing in our ears.
- light
- mechanical
- chemical
- nuclear
Sound
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Answer
mechanical
Reason — Sound waves produce the sensation of hearing in our ears. They are mechanical waves that need a medium to travel, like air or water. When an object vibrates, it creates disturbances in the surrounding medium, propagating as mechanical waves. These waves carry the energy of the vibrating particles, allowing us to perceive sound.
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Related Questions
Identify the correct statements :
(i) A material medium is necessary for the propagation of sound from one place to another.
(ii) The medium must have inertia.
(iii) The medium must be inelastic.
(iv) The medium must be frictionless.
- (i) and (ii)
- (i), (ii) and (iii)
- (i), (ii) and (iv)
- (ii), (iii) and (iv)
The correct statement is:
- Sound and light both require medium for propagation
- Sound can travel in vacuum, but light cannot
- Sound needs medium, but light does not need medium for it's propagation
- Sound and light both can travel in vacuum
Sound in air propagates in form of:
- Longitudinal wave
- Transverse wave
- Both longitudinal and transverse wave
- Neither longitudinal nor transverse wave
The S.I. unit of wavelength is :
- metre
- hertz
- second
- m/s