Advertisements
Advertisements
प्रश्न
Which characteristic of sound makes it possible to recognize a person by his voice without seeing him?
Advertisements
उत्तर
Timber or quality of sound.
APPEARS IN
संबंधित प्रश्न
Define the resonance phenomenon.
What are mechanical waves?
The diagram above shows a wire stretched over a sonometer. Stems of two vibrating tuning forks A and Bare touched to the wooden box of the sonometer. It is observed that the paper rider (a small piece of paper folded at the centre) present on the wire flies off when the stem of vibrating tuning fork B is touched to the wooden box but the paper just vibrates when the stem of vibrating tuning fork A is touched to the wooden box.
1) Name the phenomenon when the paper rider just vibrates.
2) Name the phenomenon when the paper rider flies off.
3) Why does the paper rider fly off when the stem of tuning fork B is touched to the box?
Differentiate between the forced and resonant vibrations.
How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.
Differentiate between the following:
Radio waves and light waves.
On keeping the stem of a vibrating tuning fork on the surface of a table, a loud sound is heard. Give reason.
Explain why are soldiers asked to walk out of step while crossing bridges?
