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प्रश्न
Fill in the blank with suitable word.
When the frequency of the sound is increased, the wavelength ____________.
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उत्तर
When the frequency of the sound is increased , the wavelength decreases .
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संबंधित प्रश्न
How does the sound produced by a vibrating object in a medium reach your ear?
Describe an experiment to show that each source of sound is a vibrating body.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
State whether the following statement is true or false :
Sound produced by a vibrating body travels to our ears by the actual movement of air.
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
If 20 waves are produced per second, What is the frequency is hertz?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
Match the following:
| Human larynx | Vibrations of metal arms |
| Loudspeaker | Vibrations in air column |
| Jal-Tarang | Vibrations in vocal cords |
| Tuning fork | Vibrations in strings |
| Sitar | Vibrations of screen |
What is vibration?
