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प्रश्न
Note is a sound
पर्याय
of a mixture of several frequencies
of a mixture of two frequencies only
of a single frequency
always unpleasant to listen
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उत्तर
Note is a sound of a mixture of several frequencies
संबंधित प्रश्न
Why are sound waves called mechanical waves?
Write true or false for a given statement.
A ticking clock sound is heard late when heard through a metal.
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
List four substances which are good absorbers of sound.
What type of wave is represented :
(a) by density-distance graph?
(b) by displacement-distance graph?
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
State the speed of (i) light and (ii) sound in air?
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
What is musical sound? Give an example.
Select the correct option:
Which of the following is an elastic wave?
Two tuning forks A and B of frequencies 256 Hz and 192 Hz respectively are vibrated in air. If the wavelength of A is 1.25 m, calculate the wavelength produced by B.
Can we produce sound in vacuum?
What is the ratio of speed of light to speed of sound?
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
Describe with diagram, how compressions and rarefactions are produced.
Unwanted sounds are called ______.
The elastic property of medium is a factor of ______ medium.
Find the odd one out.
