Advertisements
Advertisements
Questions
Define the following term:
Frequency
Define the term frequency.
Define Frequency?
Advertisements
Solution
The frequency of a particle executing S.H.M. is equal to the number of oscillations completed in one second.
APPEARS IN
RELATED QUESTIONS
Shrillness of a sound is determined by the ______ of vibration.
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
What is an echo
In which units is the loudness of sound measured?
The frequency is measured in second.
The pitch of a flute is decreased by ................... length of air column.
Smaller the membrane, .................. is the pitch.
If a drum is beaten hard, its loudness ................
In a piano, pitch is decreased by
Obtain relationship between the time period and frequency.
Name the unit in which the loudness of sound is expressed.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
What determines the pitch of a sound?
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
Two identical guitars are played by two persons to give notes of the same pitch. Will they differ in quality? Give a reason for your answer.
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.
How does frequency affect a musical sound?
The same musical note when played on a piano and when played on a flute sounds different.
Name one main factor on which each character such as intensity, pitch, and quality of musical sound depends.
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.
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
What is acoustics?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
