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Note is a sound...

Note is a sound

A

of mixture of several frequencies

B

of mixture of two frequencies only

C

of a single frequency

D

always unpleasant of listen

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MODERN PUBLICATION-SOUND-EXERCISE
  1. A sound wave travels at a speed of 339 ms^-1. If its wavelength is 1.5...

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  2. A bat hears the echo of its squeak after 0.1 s. How far is the obstacl...

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  3. Note is a sound

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  4. A key of a mechanical paino struck gently and then struck again but mu...

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  5. In SONAR, we use

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  6. Sound travels in air if

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  7. When we change feeble sound to loud we increase its

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  8. Earthquake produces which kind of sound before the main shock wave beg...

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  9. Infrasound can be heard by

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  10. Before playing the orchestra in a musical concert, a sitarist tries to...

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  11. The total energy of a particle executing smple harmonic motion of ampl...

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  12. The frequency of a source of sound is 50 Hz. How many times does it vi...

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  13. A key of a mechanical paino struck gently and then struck again but mu...

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  14. The intensity of sound wave gets reduced by 20% on passing through a s...

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  15. Sound travels the fastest in

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  16. A person clapped his hands near a cliff and heard the echo after 5 s. ...

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  17. The frequency of seconds pedulum is

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  18. A source emits sound of frequency 600 Hz inside water. The frequency h...

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  19. Distance between a consecutive crest and trough is 5 cm. The wave leng...

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  20. In which part of the ear are sound waves amplified?

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