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What are forced oscillations? Why are th...

What are forced oscillations? Why are they called so ?

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ICSE-OSCILLATIONS -SHORT ANSWER QUESTIONS
  1. What is the period of oscillation of a liquid contained in a U - tube ...

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  2. What is a torsional pendulum ? Name the factors on which its period of...

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  3. At what positions of the simple pendulum its (i) P.E. is maximum (ii) ...

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  4. Draw the displacement-time, velocity-time and acceleration-time graph ...

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  5. The phase difference between two particies executing shm is pi//2. Wha...

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  6. Name the different ways of expressing the phase of an oscillating part...

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  7. Explain (i) natural oscillation (ii) natural frequency.

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  8. Draw graph showing the variation of displacement with time of a body e...

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  9. Give examples of damped oscillation.

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  10. What are forced oscillations? Why are they called so ?

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  11. What is resonance ? What is resonant frequency ?

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  12. Give two examples to illustrate resonance.

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  13. Draw graphs to show the variation of amplitude with driving frequency ...

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  14. Marching soldiers are asked to break their steps while crossing a brid...

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

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  16. On what factors does the period of a simple pendulum depend ?

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  17. At what displacement K.E. and P.E. are equal, for a body executing shm...

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  18. Under what condition the oscillation of a simple pendulum is simple ha...

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  19. The length of a seconds pendulum is decreased by 1%. What is the gain ...

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  20. Two pendulums of lengths 1.44 m and 1 m start oscillating together. Af...

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