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why a tunung fork should be struck gentl...

why a tunung fork should be struck gently with a rubber pad?

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JBD PUBLICATION-Oscillations and Waves-EXAMPLE
  1. What is the effect of pressure on the speed of sound?

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  2. How can the frequency of a tuning fork be changed?

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  3. why a tunung fork should be struck gently with a rubber pad?

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  4. Why the strings of different thickness and different materials are us...

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  5. What is the distance between two consecutive antinodes or nodes?

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  6. Is it necessary for the produuction of bearts that the amplitudes of t...

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  7. What determines the natural frequency of a body?

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  8. Which physical quantity remains conserved in S.H.M.?

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  9. The girl sittin on a swing stands up.What will be the effect on the pe...

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  10. Why does the body of a bus begins to rattle sometimes when the bus pic...

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  11. Which of the following relationships between the acceleration and the ...

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  12. When will the motion of a simple pendulum be simple harmonic?

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  13. Which waves do not require medium for propagation?

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  14. How does a bee produce buzzing sound?

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  15. What is the basic condition for teh motion of a particle to be S.H.M.?

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  16. Why stationary wave is so called?

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  17. Can transverse waves be produced in air?

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  18. What is the intensity of painful sound?

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  19. What is an echo?

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  20. Why thick and long curtains are preferred in a big hall?

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