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What is magnifying power of an astronomi...

What is magnifying power of an astronomical telescope? Draw the necessary ray diagram of the final image at distinct vision by an astronomical telecope.

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BINA LIBRARY-QUESTION PAPER 2012-EXERCISE
  1. Mention two limitations of Rutherfor's model of atom.

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  2. Using Gauss's theorem find the filed due to a charged thin spherical s...

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  3. Find an expression for electric filed at any position on an axial line...

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  4. Apply Kirchhoff's laws to establish the principle of a balanced Wheats...

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  5. Establish Brewster's Law regarding polarisation of light by reflection...

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  6. A condenser of capacity 500 pF is charged to a potential 100V. Find th...

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  7. State Lenz's Law of electromagnetic induction.

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  8. Draw the circuit diagram of a common emitter n-p-n transistor as an am...

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  9. What is magnifying power of an astronomical telescope? Draw the necess...

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  10. Draw a ray diagram to show the formation of final image by a compound ...

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  11. Find the expression of fringe-width beta= (lambdaD)/d for Young's doub...

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  12. In a certain star, three alpha particles undergo fusion in a single re...

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  13. What is nuclear fission and nuclear fusion?

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  14. What is the function of cladding in a typical optical fibre?

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  15. For refraction at spherical surface establish the following relation. ...

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  16. State two important differences between interference and diffraction.

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  17. Find an expression for the magnetic field at points on the axis of a c...

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  18. A rectangular coil carrying current is placed in a uniform magnetic fi...

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  19. Draw a circuit diagram of a full rectifier and explain its working.

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  20. What is LED ? State two advantages of LED over incandescent lamps.

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