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Assertion: Water in a U-tube executes SH...

Assertion: Water in a `U`-tube executes `SHM`, the time period for mercury filled up to the same height in the `U`-tube be greater then that in case of water.
Reason:The amplitude of an oscilliating pendulum goes on increasing.

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The time period of the liquid in a U-tube executing S.H.M does not depend upon density of the liquid, therefore time period will be same, when the mercury is filled up to the same height in place of water in the U - tube.
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CBSE COMPLEMENTARY MATERIAL-MECHANICAL WAVES-TWO MARK QUESTIONS
  1. Which of the following conditions is not sufficient for SHM and why? ...

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  2. The formula for time period T for a loaded spring, T= 2π .Does the t...

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  3. Assertion: Water in a U-tube executes SHM, the time period for mercury...

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  4. There are two springs, one delicate and another stiffer one. Which spr...

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  5. Time period of a particle in S.H.M. Depends on the force constant K an...

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  6. Answer the following questions: (a) The motion of a simple pendulum ...

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  7. The maximum acceleration of a simple harmonic oscillator is a(0) and m...

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  8. Velocity of sound in a tube containing air at 27^(@)C and at a pressu...

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  9. Even after breakup of one prong of tunning fork it produces a round of...

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  10. Why all the stringed instruments are provided with hollow boxes?

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  11. The displacement of particle in S.H.M. May be given byy = a sin(omegat...

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  12. The length of simple pendulum executing SHM is increased by21%. By wha...

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  13. Define wave number and angular wave number and give their S.I. Units.

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  14. Why does the sound travel faster in humid air ?

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  15. Use the formula v=sqrt((gamma P)/(rho)) to explain why the speed of so...

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  16. Differentiate between closed pipe and open pipe at both ends of same l...

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  17. Bats can ascertain distances, directions, nature and size of the obsta...

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  18. In a sound wave , a displacement node is a pressure antinode and vice-...

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  19. Does the frequency of a vibrating tuning fork change on increasing the...

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  20. Why cannot we hear an echo in a small room ?

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