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प्रश्न
What is the noise? Give an example.
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उत्तर
Noise is a harsh and unpleasant sound produced by a body making a succession of irregular and discontinuous disturbances, e.g., a sound produced by a stone thrown on a thin sheet, the thunder of lightning, etc.
संबंधित प्रश्न
State two conditions for an echo to take place
The distance from one compression to nearest rarefaction is called wavelength.
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
Name three characteristics of a musical sound.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of frequencies?
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
The same musical note when played on a piano and when played on a flute sounds different.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
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.
