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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
The ratio of the amplitude of two waves is 3:4. What is the ratio of their Frequencies?
In which units is the loudness of sound measured?
A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3s and the second echo 2s later. Calculate:
1)The speed of sound.
2) The distance of the other cliff from the person
The pitch of sound depends on frequency.
The time period of a wave is 2 s. Its frequency is ..........
The pitch of a stringed instrument is increased by .................. tension in string.
The pitch of a flute is decreased by ................... length of air column.
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
Sound can not travel in
In a piano, pitch is decreased by
Obtain relationship between the time period and frequency.
Name three characteristics of a musical sound.
Which of the following determines the loudness of a sound wave?
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
State three factors on which loudness of sound heard by a listener depends.
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
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:
Frequency
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
How does frequency affect a musical sound?
Name the factors which determine the pitch of a note.
The same musical note when played on a piano and when played on a flute sounds different.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
If ______ of sound is decreased, its loudness also decreases.
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
What does the intensity of sound depend upon?
______ is a general term for the distinguishable characteristic of a wave.
