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The small ozone layer on top of the stra...

The small ozone layer on top of the stratosphere is crucial for human survival. Why?

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UNITED BOOK HOUSE-QUESTION PAPER 2017-EXERCISE
  1. Define the corrent sensitivity and voltage sensitivity of a moving coi...

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  2. What are the quantities that oscillate in an electromagnetic wave? Sho...

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  3. The small ozone layer on top of the stratosphere is crucial for human ...

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  4. The voltage applied across the cathode and anode of an X-ray generatin...

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  5. Write the basic nuclear process of neutron undergoing beta-decay . Why...

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  6. Define amplitude modulation. The height of a TV tower is 125 metre. Fi...

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  7. Define surface density of electric charge. Two large conducting sphe...

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  8. Define dielectric constant. Two charges +-20xx10^(-6)C, placed 2 mm ap...

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  9. Define dielectric polarisation.

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  10. Deduce an expression from the potential energy stored in a parallel pl...

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  11. What is cyclotron frequency? It is possible for a cyclotron to acceler...

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  12. Write down the mathematical form of Ampere's circuital law related to ...

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  13. Define electromagnetic unit of current.

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  14. A wire of length 'I' is bent in the form a circular loop. With a numbe...

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  15. State one defect of Huygens wave theory.

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  16. State that laws of reflection of light .State the laws of refraction o...

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  17. Define resolving power of an optical instrument.

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  18. The resolving power of a microscope at 6000 overset(@)A is 10^4. What ...

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  19. Under what condition will the object and image always be on the same ...

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  20. An image of size 1/n times the object size is formed in a convex mirro...

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