Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
The frequency is measured in hertz.
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
What is the effect of temperature and pressure on the speed of sound in a gas?
Through which medium sound travels faster, iron or water? Give reason.
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.