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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
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.
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of frequencies?
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
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?
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
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:
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
