Advertisements
Advertisements
प्रश्न
What does the intensity of sound depend upon?
उत्तर
The intensity of sound depends on the amplitude of vibration of the sound. It is proportional to the square of the amplitude of the vibration of the sound.
संबंधित प्रश्न
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
State the safe limit of sound level in terms of decibel for human hearing.
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.
The frequency is measured in second.
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
Name three characteristics of a musical sound.
State three factors on which loundess of sound heard by a listener depends.
Name the factors which determine the pitch of a note.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
What is acoustics?