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Distinguish between extrinsic and intrin...

Distinguish between extrinsic and intrinsic semi-conductors.

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UNITED BOOK HOUSE-MODEL PAPER SET-09-EXERCISE
  1. Out of ammeter, voltmeter and galvanometer, which one has the lowest r...

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  2. Find the angular momentum of the electron revolving in second excited ...

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  3. Show that for a given incident ray, if the mirror is rotated by an ang...

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  4. Can a ‘total reflecting prism’ be made of ice (R.I.1.3) for deviating ...

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  5. Find the ratio of intensities at two points on a screen in young’s dou...

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  6. Find the ratio of intensities at two points on a screen in young’s dou...

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  7. Cesium shows photoelectric effect with visible Iight while zinc shows ...

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  8. How many quanta of different energy can beemitted by a Hydrogen atom i...

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  9. Calculate the minimum wavelength of x-ray produced by on X-ray tube op...

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  10. Explain two characteristics features of nuclear force which distinguis...

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  11. Distinguish between extrinsic and intrinsic semi-conductors.

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  12. How will you use p-n-junction diode as full wave rectifier?

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  13. Find the r.m.s. value of alternating current over a complete cycle.

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  14. Derive and expression for electric field at a distance r from the cent...

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  15. Three point charges q, 2q and 3q are placed at the vertices of an equi...

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  16. Discuss the working Principle of Wheat stone bridge. Explain with diag...

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  17. Discuss the difference between ammeter and voltmeter. Draw a circuit d...

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  18. Two wires X and Y have same length of 44 cm and carry a current of 10A...

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  19. Deduce an expression for mean value of current over a half cycle in an...

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  20. A ray of monochromatic light enters a prism of angle 'A’ at grazing in...

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