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Derive an expression for couple acting o...

Derive an expression for couple acting on an electric dipole kept in a uniform electric field.

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CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. State Coulombs Law and Define relative permitivity.

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  2. For a dense flint glass prism of refracting angle 10^0, Findthe anangu...

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  3. Derive an expression for couple acting on an electric dipole kept in a...

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  4. Explain the effect of change in temperature on the speed of sound in a...

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  5. Derive an expression for electric field intensity of a point on the eq...

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  6. Derive an expression for magnifying power of a compound microscope.

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  7. Derive an expression for apparent frequency when the source is moving ...

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  8. Light year is a unit of

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  9. Two plane mirrors are inclined at an angle of 40^@ between them. Numbe...

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  10. The value of acceleration due to gravity is zero at

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  11. Change in dimensions is known as

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  12. When sound waves travel from air to glass, which of these remain const...

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  13. Earth's atmosphere is richest in

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  14. Which of the following is an Ohmic conductor?

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  15. Range of temperature in a clinical thermometer, which measures the tem...

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  16. An object of mass 100 gm moves uniformly along a circular orbit with a...

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  17. A mass 2m moving with some speed is directly approaching another mass ...

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  18. The speed of light is 3 xx 10^8m//sec. Calculate the frequency of red ...

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  19. Find the magnitude of a vector vec a = frac( hat i - hat j )( sqrt2)

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  20. State Newton's law of gravitation.

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