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Explain the effect of depth on the value...

Explain the effect of depth on the value of acceleration due to gravity and prove that at the centre of earth its value will be zero.

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JBD PUBLICATION-Model Test Paper 15-EXERCISE
  1. Why does a cyclist lean to one side while going along a curve? In whic...

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  2. State and prove work energy theorem.

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  3. How much mass of 92 U^235 is converted into energy per day at a nuclea...

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  4. Explain the effect of depth on the value of acceleration due to gravit...

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  5. A mass is divided into two parts so that the force of gravitation betw...

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  6. Define coefficient of viscosity. Give its unit.

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  7. State second law of thermodynamics ?

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  8. Define the molar specific heats fo a gas and find a relation btween th...

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  9. Define simple harmonic motion.

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  10. What is Doppler's effect?Derive a general expression for the apparent ...

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  11. What is beat of sound?

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  12. What are statiionary waves?State their characteristics.

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  13. Define Angle of contact.

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  14. Define modulus of elasticity and its unit. Also write its dimensions.D...

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  15. What is anomalous expansion of water and its use in nature?

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  16. Explain different modes of transfer of heat from one place to the othe...

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  17. Prove the theorem of parallel axes.

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  18. Where will be the centre of mass of a uniform thin rod of length l?

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  19. Upon what factors the centre of mass of a body depends?

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  20. Define angular momentum and find its relation with moment of inertia.

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