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When a mass m attached to a spring it os...

When a mass m attached to a spring it oscillates with period 4s. When an additional mass of 2 kg is attached to a spring, time period increases by 1s. The value of m is :-

A

3.5 kg

B

8.2 kg

C

4.7 kg

D

2.6 kg

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A
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AAKASH INSTITUTE-OSCILLATIONS-Assignment (Section - B) (OBJECTIVE TYPE QUESTIONS)
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  5. A body performs S.H.M. Its kinetic energy K varies with time t as ind...

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  6. A particle is performing SHM energy of vibration 90J and amplitude 6cm...

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  7. The variations of potential energy (U) with position x for three simpl...

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  8. If the particle repeats its motion after a fixed time interval of 8 s ...

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  9. A particle is executing SHM with total mechanical energy 90J and ampli...

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  10. A linear harmonic oscillator of force constant 6 xx 10^(5) N/m and amp...

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  12. The curve between square of frequency of oscillation and length of the...

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  14. There is a rod of length l and mass m. It is hinged at one end to the ...

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  15. A rectangular block of mass m and area of cross-section A floats in a ...

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  17. In the figure shown, there is friction between the blocks P and Q but ...

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  19. A simple pendulum with iron bob has a time period T. The bob is now im...

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