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प्रश्न
When sound travels in form of a wave
पर्याय
the particles of medium move from the source to the listener
the particles of medium remain stationary
the particles of medium start vibrating up and down
the particles of medium transfer energy without leaving their mean positions.
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उत्तर
the particles of medium transfer energy without leaving their mean positions.
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संबंधित प्रश्न
Name the factor that determines Pitch of the note.
In which units is the loudness of sound measured?
When sound propagates in air, it does not carry energy with it.
Define the following term:
Frequency
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
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.
What does the intensity of sound depend upon?
