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प्रश्न
Fill in the blank with suitable word.
When the frequency of the sound is increased, the wavelength ____________.
उत्तर
When the frequency of the sound is increased , the wavelength decreases .
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संबंधित प्रश्न
How does a musician playing on a flute change the pitch of sound produced by it ?
What is the SI unit of frequency?
What is the name of the strings which vibrate in our voice box when we talk?
Give reason for the following :
In most of the cases, we cannot see the vibrations of a sound producing object with our eyes.
How is sound produced? Explain with the help of an example.
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 |
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Suppose a stick is struck against a frying pan in vacuum. Will the frying pan vibrate? Will we be able to hear the sound? Explain.
The substance through which sound is transmitted is called ______.
