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प्रश्न
A tuning fork produces sound of ................... frequency.
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उत्तर
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संबंधित प्रश्न
State two conditions for an echo to take place.
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.
When sound propagates in air, it does not carry energy with it.
The frequency is measured in second.
Decibel is the unit of pitch of a sound.
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
Which characteristics of sound will change if there is a change in its amplitude.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
