Advertisements
Advertisements
प्रश्न
Define frequency term in relation to a wave.
Advertisements
उत्तर
The number of vibrations made by a particle of the medium in one second is called the frequency of the waves. It is also defined as the number of waves passing through a point in one second. It's S.I. unit is hertz (Hz).
APPEARS IN
संबंधित प्रश्न
Why are the ceilings of concert halls curved?
How is the frequency of a stretched string related to its length?
Name the characteristic of sound in relation to its waveform
What is the condition necessary for an echo to be heard distinctly?
What is a megaphone ? Name the principle on which a megaphone works.
Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.
When a sound is made from a distance of 18 m, in front of a tall building, it is found to get repeated again. Which phenomenon is associated with this observation? Give a brief explanation of this phenomenon?
A radio signal, sent towards the surface of the moon, is received in 2.5 seconds. If the speed of the radio waves is 3 × 108 ms−1, find the distance of the moon from the earth.
