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प्रश्न
Give two examples of forced vibrations.
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उत्तर
(i) The vibrations produced in the board of a guitar when its string is made to vibrate.
(ii) The vibrations produced in the tabletop when the stem of a vibrating tuning fork is pressed against it.
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संबंधित प्रश्न
How does the medium affect the amplitude of free/natural vibrations of a body?
Give one example to illustrate forced vibrations.
Why is a loud sound heard at resonance?
Why are the stringed instruments like guitar provided with a hollow sound box?
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency:
Differentiate between the following:
Light and sound waves.
Differentiate between the following:
Radio waves and light waves.
Explain why stringed musical instruments, like the guitar, are provided with a hollow box.
A vibrating tuning fork is placed over the mouth of a burette filled with water. The tap is opened and the water level gradually falls. It is observed that the sound becomes the loudest for a particular length of the air column. What is the name of the phenomenon taking place when this happens? Why does the sound become the loudest?
