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प्रश्न
Two musical notes of the same pitch and loudness are played on a violin and a piano. Their waveforms are as shown in the figure below:

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उत्तर
Through the musical notes of the same pitch and loudness are played on a violin and a piano but their wave patterns are different because the waveform depends upon the number of overtones and their relative intensities.
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.

When sound propagates in air, it does not carry energy with it.
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Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.

How do they differ in
(a) loudness,
(b) pitch and
(c) quality
Name the unit in which loudness of sound is measured.
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?
What is meant by the ‘pitch’ of a note? Does it depend on the loudness or ‘quality’ of the ‘note’? How is pitch ‘related’ with frequency?
