Physics
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)
Related Questions
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
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