Advertisements
Advertisements
प्रश्न
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which does not change.
Advertisements
उत्तर
The frequency of a wave does not change when it passes from one medium to another medium.
APPEARS IN
संबंधित प्रश्न
Displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
1) Amplitudes
2) Wavelengths
Define frequency term in relation to a wave.
Define wave velocity term in relation to a wave.
What is the shape of a soundboard kept behind the speaker on the stage of a big hall ?
Explain how the principle of echo is used by
The bat during its flight at
A cork piece is floating on the surface of the water in a pond. A piece of pebble is dropped into the water. What will be your observation?
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
Waves produced on the surface of the water are formed to move with a velocity of 24 ms−1. If the wavelength of these waves equals 20 cm. find the
(i) frequency (no. of waves produced per second)
(ii) the time period (i.e. the time required to produce one wave) for these waves.
Explain reflection at the boundary of a rarer medium.
