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संबंधित प्रश्न
How is the frequency of a stretched string related it’s tension?
State two factors on which the speed of a wave travelling in a medium depends.
What is a stethoscope ? Name the principle on which a stethoscope works.
Explain how the principle of echo is used by
The bat during its flight at
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.
Write the approximate value of the speed of sound in iron.
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
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.
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
