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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-02-EXERCISE
  1. From second law of motion ,prove that F = ma and hence deduce first la...

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  2. Show that sum of P.E. and k.E. of a freely falling body is conserved.

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  3. Why does a body becomes weightless at the centre of earth ?

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  4. What is surface tension? What is the effect of temperature on surface ...

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  5. A 50 kg girl whose leg bones are 5m^2 in area and 50 cm long falls fr...

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  6. State first law of thermodynamics.

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  7. If 5% of the hailstones get melted before reaching the earth,find teh ...

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  8. Calculate the external work done when an ideal gas is expanded isother...

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  9. Define progressive wave.

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  10. Draw a graph to show the variation s of P.E., K.E. and total energy of...

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  11. What is a simple pendulum? Show that motion of simple pendulum is S.H....

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

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  13. What is elastic limit?

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  14. State and prove Bernoulli's theorem for liquid having streamline flow.

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  15. State and prove Bernoulli's theorem for liquid having streamline flow.

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  16. Find an expression for the heat which flows from one pont to the other...

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  17. What is physical significnce of moment of inertia?

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  18. What is law of conservation of momentum ?

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  19. What do you mean by centre of mass of a body?Find the position of cenr...

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  20. Find the expression for moment of inertia of a thin uniform rod abou...

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