Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
The energy, in sound and ultrasonic waves, is propagated by mechanical waves.
संबंधित प्रश्न
Why are the ceilings of concert halls curved?
What is a bulb horn ? Name the principle on which a bulb horn works.
What are infrasonic waves?
Write the approximate value of the speed of sound in water.
What is meant by echo depth sounding?
In what respect does waveforms of noise and a musical note differ. Draw diagrams to illustrate your answer.
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.
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. The ratio of its wavelengths in water and air is ______.
