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प्रश्न
उत्तर
Pitch of a musical noted depends on its wavelength or frequency. Higher the frequency, higher the pitch.
Loudness depends upon the amplitude of the wave. Loudness is directly proportional to the square of amplitude.
Quality of a musical depends on the wave form.
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संबंधित प्रश्न
When sound travels in form of a wave
In a piano, pitch is decreased by
- 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)?
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
The same musical note when played on a piano and when played on a flute sounds different.
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
Give a scientific reason.
We can hear the movement of a mosquito's wings but we cannot hear the movement of our hands.