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Why are infrared waves called heat wave...

Why are infrared waves called heat waves?

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  • QUESTION PAPER 2013

    BINA LIBRARY|Exercise EXERCISE|45 Videos

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BINA LIBRARY-QUESTION PAPER 2014-EXERCISE
  1. Show that Weber = Volt Second

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  2. State Ampere's circuital law.

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  3. Why are infrared waves called heat waves?

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  4. State Snell's law of refraction of light.

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  5. Complete the nuclear reaction - 2He^4+ZX^A rarr (Z+2)Y^(A+3)+ square

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  6. Write down the truth table on NAND gate.

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  7. Give one use of solar cell.

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  8. State Coulomb's law of electrostatics. Express it in vector form.

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  9. What is electric polarisation vector? Define the electric susceptibili...

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  10. State Ohm's law of current electricity Define One Ohm resistance.

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  11. What do you mean by specific resistance of conductor? What is its S.J ...

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  12. What is potentiometer?Would you prefer a voltmeter or a potentiometer ...

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  13. Differentiate between step up and step down transformer.

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  14. What is displacement current?

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  15. How does a charge 'q' oscillating at certain frequency produce electro...

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  16. State two important differences between interference and diffraction.

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  17. Two lenses of powers +5D and 3D are in contact.Find the focal length o...

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  18. Explain Einstein's photo electric equation.

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  19. Workfunctionof caesium is 2.14 eV. find the threshold frequency.

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  20. Work function of Caesium is 2.14 eV. Find its threshold frequency. ...

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