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प्रश्न
Name three characteristics of a musical sound.
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उत्तर
Sounds can be distinguished from one another by the following three different characteristics:
- loudness
- pitch or shrillness, and
- quality or timbre
संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
State two conditions for an echo to take place
What do you understand by the loudness of sound?
The distance from one compression to nearest rarefaction is called wavelength.
Sound can not travel in
When sound travels in form of a wave
How does sound travel in air?
What is longitudinal wave?
State three factors on which loudness of sound heard by a listener depends.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Name the unit in which loudness of sound is measured.
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
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.
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?
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
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 scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
