Advertisements
Advertisements
प्रश्न
Sound waves travel very fast in
पर्याय
air
metals
vacuum
liquids
उत्तर
metals
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Explain the terms 'compressions' and 'rarefactions' of a wave. What type of waves consist of compressions and rarefactions.
Explain meaning of the terms compression and rarefaction in relation to a longitudinal wave.
State the speed of (i) light and (ii) sound in air?
Complete the following sentences :
Wave velocity = ________________ × wavelength.
Select the correct option:
A part of the longitudinal wave in which particles of the medium are closer than the normal particles is called:
200 waves pass through a point in one second. Calculate the time period of wave.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
If the wavelength of the transverse wave is 32 mm, calculate the speed with which wave travels across the surface of the water.
A sound wave of wavelength 1/3 m has a frequency 996 Hz. Keeping the medium same, if frequency changes to 1328 Hz. Calculate
- velcoity of sound
- new wavelength.
Explain how the principle of echo is used by
The bat during its flight at night
