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What is Doppler's effect?Derive a genera...

What is Doppler's effect?Derive a general expression for the apparent frequency when both source and observer are in relative motion.

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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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