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State any four methods to reduce frictio...

State any four methods to reduce friction

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CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. Justify the statement, "Work and energy are the two sides of a coin.''

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  2. Calculate the speed of a satellite in an orbit at a height of 1000 km ...

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  3. State any four methods to reduce friction

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  4. Which materials can be used asthermal insulates and why?

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  5. How a thermometer is calibrated?

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  6. A rubber band originally 30 cm. long is stretched to a length of 32cm ...

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  7. Why does an astronaut in an orbiting satellite have a feeling of weigh...

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  8. Four uniform solid cubes of edges 10 cm, 20 cm, 30 cm and 40 cm are ke...

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  9. In Ohm's experiments, the values of the unknown resistances were found...

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  10. State any six properties of scalar product.

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  11. Show that the path of a projectile is a parabola

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  12. Discuss the variation of acceleration due to gravity with altitude.

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  13. What is the stress in a wire which is 50 meter long and 0.01cm2 in cro...

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  14. The thermal conductivity of steel is 0.026 k cal//ms K. Find the tempe...

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  15. Define Sublimation and Triple point. In a random temperature scale X, ...

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  16. Derive an expression for strain energy per unit volume of the material...

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  17. Derive an expression for critical velocity of satellite. Calculate the...

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  18. State and prove the law of conservation of linear momentum.

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  19. The branch of Physics which deals with the production of transmission ...

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  20. The equation shown below is frac(n2 - n1)(R)= frac(n2)(v) - frac(n1)(u...

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