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What is photoelectric effect? Why is pho...

What is photoelectric effect? Why is photo electric current proportional to the intesity of incident radiation?

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BINA LIBRARY-QUESTION PAPER 2013-EXERCISE
  1. Write down the four Maxwell's equations.

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  2. The electric field of an e.m. wave is given by Ey= 40sin((2pi)/2x-2p...

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  3. How is a wavefront defined? State Huygen's principle of propagation of...

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  4. Establish the following relation for total deviation delta of a ray li...

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  5. In a young's double slit experiment two slits are made one millimeter ...

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  6. In a young's double slit experiment two slits are made one millimeter ...

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  7. In a series LCR circuit in which R= 3Omega, L=25mH and C=800muF a sinu...

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  8. In a series LCR circuit in which R= 3Omega, L=25mH and C=800muF a sinu...

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  9. A rectangular coil of turns n and area A isrotating withangular veloci...

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  10. What is step up and step down transformer? To transfer electric energy...

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  11. What is photoelectric effect? Why is photo electric current proportion...

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  12. Why is modulation necessary?

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  13. A message signal of frequency 10KHz and peak voltage 10 volts is used ...

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  14. Establish the lens maker's formula for a biconvex lens.

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  15. Describe Young's double slit experiment and determine the conditions f...

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  16. Draw diagrams to show how a p-n junction is forward biased Draw V-I ...

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  17. How is the mass of an electron determined?

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  18. State Bohr's postulates regarding Bohr's model of the hydrogen atom.

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  19. Derive an expression for the radius of the first orbit of the electron...

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  20. State one drawback of Rutherford's model of the atom. What modificatio...

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