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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 length 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
1) Name the type of vibrations taking place in pendulums B and D?
2) What is the state of pendulum C?
3) State the reason for the type of vibrations in pendulum B and C.
Distinguish between the free (or natural) and forced vibrations.
Describe a simple experiment to illustrate the phenomenon of resonance and explain it.
When a troop crosses a suspension bridge, the soldiers are asked to break steps. Explain the reason.
Why are the stringed instruments like guitar provided with a hollow sound box?
Differentiate between the following:
Light and sound waves.
Differentiate between the following:
Free and forced vibrations.
Explain why are soldiers asked to walk out of step while crossing bridges?
Explain a person walking past a railway line, in the middle of night hears a ringing sound along with the sound of his footsteps.
What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?
