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Explain why:- a cricketer moves his hand...

Explain why:- a cricketer moves his hands backwards while holding a catch.

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JBD PUBLICATION-MODEL TEST PAPER-06-EXERCISE
  1. An experiment measures quantities a,b,c and d and x is calculated from...

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  2. The displacement of a particle along a straight time at line t is give...

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  3. Explain why:- a cricketer moves his hands backwards while holding a ca...

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  4. What is conservative force?

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  5. The wheel of a motor accelerated uniformly form rest rotates through 2...

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  6. A tunnel is dug through the centre of the earth. Show that a body of m...

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  7. How is an iron ship able to float where as an iron needle sinks?

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  8. For uniform accelerated motion, draw by graphical method establish the...

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  9. A bullet from the ground is just able to cross in a horizontal directi...

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  10. What is law of conservation of momentum ?

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  11. Two masses 8 kg and 12 kg are connected at the two ends of a light ine...

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

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  13. State Keplers' laws of planetary motion.

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  14. What is Stokes' law? Derive the relation by method of dimensions.

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  15. What do you mean by reversible and irreversible process? Give example.

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  16. State Avogadro's law

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  17. Define wavelength of a wave.

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  18. Write an expression for the frequency produced by a stretched string.

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  19. What do you mean by beats in sound?

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  20. What are statiionary waves?State their characteristics.

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