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प्रश्न
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
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उत्तर
(a) amplitude - Loudness
(b) waveform - Quality
(c) frequency - Pitch.
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संबंधित प्रश्न
State one important property of waves used for echo depth sounding.
In a longitudinal wave, compression and rarefaction are formed.
Sound can not travel in
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
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Name the factors which determine the pitch of a note.
The same musical note when played on a piano and when played on a flute sounds different.
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
