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प्रश्न
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
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उत्तर
When the vibrating tuning fork's stern is pressed against a table's surface, the forceful vibrations create a loud sound on the surface.
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संबंधित प्रश्न
In the diagram below, A, B, C, D are four pendulums suspended from the same elastic string PQ. The lengths of A and C are equal to each other, while the length of pendulum B is smaller than that of D. Pendulum A is set into a mode of vibrations.
- Name the type of vibrations taking place in pendulums B and D.
- What is the state of pendulum C?
- State the reason for the type of vibrations in pendulums B and C.
Distinguish between the free (or natural) and forced vibrations.
Which characteristic of sound makes it possible to recognize a person by his voice without seeing him?
In fig. shows two tuning forks P and Q of the same frequency mounted on separate sound boxes with their open ends facing each other. The fork A is set into vibration. (i) Describe your observation. (ii) State the principle illustrated by this experiment.
Explain why does the rear mirror of a motorbike start Vibrating Violently, at some particular speed of motorbike?
Explain free and forced vibrations. Give an experimental arrangement to illustrate the phenomenon of resonance.
