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प्रश्न
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
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उत्तर
Loudness: Loudness is the property by virtue of which a loud sound can be distinguished from a faint one, both having the same pitch and quality. The loudness of a sound depends on the amplitude (or intensity) of the wave.
Soft and loud notes
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संबंधित प्रश्न
When sound propagates in air, it does not carry energy with it.
A tuning fork produces sound of ................... frequency.
Standing at a distance, how is it possible to detect the filling of bucket under a water tap by hearing the sound?
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
Give scientific reason for the following:
When a nail is hammering appears to get higher and higher in pitch.
Name the factors which determine the pitch of a note.
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
