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प्रश्न
Explain why stringed musical instruments, like the guitar, are provided with a hollow box.
उत्तर
Stringed instruments are provided with a hollow box so that resonance may take place and a loud sound can be produced.
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संबंधित प्रश्न
The adjacent diagram shows three different modes of vibrations P, Q and R of the same string.
(i) Which vibration will produce a louder sound and why?
(ii) The sound of which string will have maximum shrillness?
(iii) State the ratio of wavelengths of P and R.
Differentiate between the forced and resonant vibrations.
Why is a loud sound heard at resonance?
(i) Define resonant vibrations.
(ii) Which characteristic of sound, makes it possible to recognize a person by his voice without seeing him?
Differentiate between the following:
Light and sound waves.
When acoustic resonance takes place, a loud sound is heard. Why does this happen? Explain.
State two ways in which resonance differs from forced vibrations.
What do you understand by forced vibrations?
What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?
