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Which of the following waves can be pola...

Which of the following waves can be polarised (i) X-rays (ii) sound waves. give reasons.

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BINA LIBRARY-QUESTION PAPER 2012-EXERCISE
  1. beta of a given transistor is 99. What is the value of alpha?

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  2. What is the maximum value of power- factor and when does it occur ?

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  3. Which of the following waves can be polarised (i) X-rays (ii) sound wa...

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  4. How are beta - rays emitted from a nucleus, when it does not contain e...

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  5. Write down the Biot- Savart's Law in vector form.

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  6. The frequency of a.c is doubled. How do X(L) and X(C) get affected ?

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  7. Draw the circuit diagram for the comparison of e.m.f's of two cells by...

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  8. Define 1 tesla. Write down the expression of Lorentz force acting on a...

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  9. The magnetic field of a plane electromagnetic wave is given by By = ...

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  10. The magnetic field of a plance electromagnetic wave is given by By =...

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  11. Show that the mean value of complete G.C. cycle is zero.

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  12. Write down Einstein's photo electric equation and explain each of its ...

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  13. The wire shown in the figure carries a current of 10A. What is the ma...

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  14. An alpha particle is moving in a magnetic field of (3hati+2hatj) tesla...

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  15. In Young's experiment the ratio of intensity at the maxima and minima ...

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  16. Draw block diagram of a generalized communication system.

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  17. The angle of reflection for mono - chromatic X - rays from a crystal w...

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  18. Express wavelength of matter wave as lambda = h/sqrt(2mEk)

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  19. Mention two limitations of Rutherfor's model of atom.

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

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