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Write down different modes by which elec...

Write down different modes by which electromagnetic waves can propagate from transmitting to receiving antenna. Mention one important use of microwaves.

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UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
  1. Draw the variation of binding energy per nuvcleon with mass number of ...

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  2. State Boh'r quantum condition in conneciton with the hydrogen atom. Wh...

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  3. Write down different modes by which electromagnetic waves can propagat...

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  4. Draw a neat diagram of amplitude modulated wavefrom. Write down the ex...

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  5. Define electric dipole moment. Find the torque actging on a dipole whe...

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  6. Sate Gauss's theorem in electrostatics. Find the electric flux through...

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  7. What is understood by capacitance of a capicitor? A 900 pF capacitor i...

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  8. Define angel of dip at a place. What will be the value of the angle at...

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  9. State Ampere's circuital law. Using this law obtain an expression fo...

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  10. What are coherent sources? Green light of wavelength 5100 @A is incide...

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  11. What is understood by diffraction of light? In a single slit experimen...

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  12. Define angle of deviation. Show that angle of deviation incase of refr...

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  13. Calculate the speed of light in a mediun whose crifical angel is 45^@....

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

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  15. What conclusion is drawn from Davission-Germer experiment? Are matter ...

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  16. Write down the relation between radius of the nucleus and mass number ...

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  17. Draw the I-V characteristics of a light emitting diode (LED) and expla...

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  18. Draw the output characteristic curves of a n-p-n transistor in a C-E c...

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  19. What is NOR gate? Prepare its Truth Table. Why is it called Universal ...

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  20. What is Zener dioide? Draw its voltage vs currrent characteristics in ...

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