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प्रश्न
उत्तर
संबंधित प्रश्न
Name the factor that determines Pitch of the note.
State two conditions for an echo to take place
How does sound travel in air?
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
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.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Name the factors which determine the loudness of a note.
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
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.
