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प्रश्न
Write the answer in your own words.
What is meant by vibration?
उत्तर
The rapid oscillations or to-and-fro movements of an object are called vibrations. Vibrating objects have a particular speed.
संबंधित प्रश्न
How does the sound produced by a vibrating object in a medium reach your ear?
Select the correct alternative :
Sound travels the fastest in
Describe an experiment to estimate the speed of sound in air.
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
What should an object do to produce sound?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
The vibrations of a simple pendulum are also known as _______.
Sound travels in the air if
