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Why lens formula is called "conjugate fo...

Why lens formula is called "conjugate focii" relation?

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UNITED BOOK HOUSE-MODEL PAPER SET-02-EXERCISE
  1. A straight wire is used ot form a semi-circular wire of radius 2cm. IF...

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  2. A convex lens whose redius of curvatures of both surfaces are same, re...

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  3. Why lens formula is called "conjugate focii" relation?

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  4. If 'f' is the focal length of a lens then prove uv=f^2. U and V repres...

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  5. What is meant by stopping potential in photoelectric emission? Does th...

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  6. The wavelength which is generated from microwave oven is 1 cm. In this...

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  7. Show the unit of h/(mv) is equal to that of wavelength.

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  8. The wavelength of photon of lambda is equal to the de-Broglie wave len...

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  9. What is the unit of radioactivity?

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  10. What is the unit of radioactivity?

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  11. What is the relation between mass defect and binding energy?

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  12. Draw a characteristics curve of zener diode showing the variation of v...

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  13. Substract 1101-1011=? (1's complement method)

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  14. In a transistor the change in collector current is 706 mA for the chan...

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  15. The internal resistance of two cells are I Omega and 2 Omega. Their e...

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  16. What is eddy current? Write down an application of it.

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  17. A verticle copper disc of diameter 20 cm is rotating uniformly about ...

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  18. Find the power of an A.C. circuit.

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  19. A resistance 10Omega a capacitor connected to an ammeter in series wi...

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  20. What is the effect on the interference pattern observed in a youngs do...

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