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Name the following : A device used in b...

Name the following :
A device used in bell-jar experiment to suck air out of bell-jar.

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Vacuum pump
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TARGET PUBLICATION-SOUND-EXERCISE
  1. MCQs based on practicals/projects : Sound cannot travel through ……………...

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  2. Name the following : Part of ear that vibrates when sound waves reach...

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  3. Name the following : A device used in bell-jar experiment to suck air...

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  4. Name the following : A musical instrument consisting of china bowls f...

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  5. Name the following : Average length of vocal cords females.

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  6. Name the following : Larynx is situated at the upper end of.

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  7. Name the following : A level of sound above which sound can be harmfu...

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  8. Right or Wrong. If wrong, write the correct sentence. : Rubbing two o...

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  9. True of False. If false , write the correct sentence Vibrations can ...

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  10. Right or Wrong. If wrong, write the correct sentence. : When a wave o...

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  11. Right or Wrong. If wrong, write the correct sentence. : A sound of si...

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  12. Right or Wrong. If wrong, write the correct sentence. : A short flute...

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  13. Complete the analogy : Lowest frequency note in 'madhya saptak' : sa ...

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  14. Complete the analogy : Violin: vibrations in strings :: tabla : ……………...

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  15. Match the following : Match the sources of sound given in Column I wi...

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  16. Define : Vibration

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  17. Answer the following questions: Define compression

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  18. Answer the following questions: Define Rarefaction.

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  19. Define the following: Frequency (nu)

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  20. Answer the following : How does sound from a sound producing body tra...

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