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Working of rocket is based on...

Working of rocket is based on

A

Beats

B

Doppler effect

C

Stationary waves

D

Reverberation

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The correct Answer is:
B
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AAKASH SERIES-WAVES-EXERCISE-IA (Theoretical questions :)
  1. If the temperature increases, then what happens to the frequency of ai...

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  2. A closed organ pipe and an open organ pie of same length produce four ...

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  3. A closed organ pipe (closed a one end) is excited to support the third...

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  4. If we study the vibration of a pipe open at both ends, which of the fo...

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  5. The presence of dangerous gases in mines can be detected using the phe...

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  6. If n(1) and n(2) are the frequencies of sound waves producing beats t...

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  7. When the stem of a vibrating tuning fork is gently pressed on the surf...

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  8. The amplitude of a vibrating particle during beats depends on

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  9. The amplitude of a vibrating particle during beats depends on

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  10. When beats are produced by two progressive waves of nearly the same fr...

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  11. For production of beats the two souces must have

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  12. In Dopplers effect, when a source moves towards a stationary observer,...

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  13. Doppler shift in frequency does not depend upon

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  14. Doppler effect is applicable to

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  15. Which of the following is correct

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  16. A small source of sound moves on a circle as shown in figure and an ob...

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  17. A radar sends waves towards a distant object and receives the signla r...

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  18. Working of rocket is based on

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  19. A violen note and sitar note may have the same frequency, yet we can d...

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  20. When two waves of nearly equal frequencies superimpose them. The frequ...

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