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A simple pendulum consists of a hollow s...

A simple pendulum consists of a hollow sphere containing mercury. It is suspended by means of a wire. If a little mercury is drained off, its period

A

remains unchanged

B

decreases

C

increases

D

becomes erratic

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BINA LIBRARY-OSCILLATIONS-EXERCISE
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  2. To make frequency double of an oscillator we have to

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  3. If a spring extends by x and on loading, energy stored by the spring i...

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  4. Two springs of spring constants 1500 N/m and 3000 N/m respectively are...

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  5. A linear oscillator of force constant 2 × 10^6 N/m and amplitude 0.01 ...

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  6. When a force of 0.1 N is applied a spring is stretched by 1.5 cm. The ...

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  7. A particle is SHM repeats its motion after every

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  8. The phase difference between the displacement and velocity of a partic...

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  9. In a SHM

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  10. In a SHM the KE of a body is maximum at

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  11. The mass and diameter of a planet are twice those of earth. The period...

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  12. For a simple pendulum, the graph between L and T is

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  13. A particle is subjected to two mutually' perpendicular SHM stich that ...

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  14. The time period of a simple pendulum inside a stationary lift is T. If...

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  15. A second's pendulum is mounted in a rocket. Its period of oscillation ...

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  16. Which one of the following is a SHM ?

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  17. A particle performing SHM passing through mean position has

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  18. A spring having a spring constant K is loaded with mass m. The spring ...

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  19. For a particle executing SHM along x-axis, the force is given by

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  20. A simple pendulum consists of a hollow sphere containing mercury. It i...

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