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प्रश्न
Define the following term:
Frequency
Define the term frequency.
Define Frequency?
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उत्तर
The frequency of a particle executing S.H.M. is equal to the number of oscillations completed in one second.
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संबंधित प्रश्न
Name the factor that determines Loudness of the sound heard.
Name the factor that determines Quality of the note
Name the factor that determines Pitch of the note.
The ratio of the amplitude of two waves is 3 : 4. What is the ratio of their Frequencies?
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State the safe limit of sound level in terms of decibel for human hearing.
Decibel is the unit of pitch of a sound.
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A tuning fork produces sound of ................... frequency.
When sound travels in form of a wave
The safe limit of loudness of audible sound is
The unit of loudness is _______.
Obtain relationship between the time period and frequency.
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
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.
Two waves of the same pitch have amplitudes in the ratio 1 : 3. What will be the ratio of their :
(i) intensities and
(ii) frequencies
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
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?
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
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 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.
