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 changes.
Advertisements
उत्तर
Wavelength (or speed) of the wave changes, when it passes from one medium to another medium.
APPEARS IN
संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
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.
How do bats avoid obstacles in their way, when in flight?
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 dolphin to locate small fish as its prey
What are fishing boats?
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.
A sound wavelength of 0.332 m has a time period of 10−3 s. If the time period is decreased to 10−4 s, calculate the wavelength and frequency of the new wave.
