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Why are electric lines of force not clos...

Why are electric lines of force not closed loop?

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UNITED BOOK HOUSE-QUESTION PAPER 2018-EXAMPLE
  1. What is an antenna? Find the length of a dipole antenna for a carrier ...

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  2. Show that electric field intenstity on the surface of a charged conduc...

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  3. Why are electric lines of force not closed loop?

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  4. The electric potential at a point (x,y,z) is given by V=-x^2y-xz^3+4. ...

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  5. Show that electric field intensity is normal to equipotential surface.

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  6. What will be the charge on the capacitor in the circuit given below?

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  7. Find the energy stored in the capacitor.

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  8. Find out the expression for the magnetic field at a point on the axis ...

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  9. Two long parallel straight wires P& Q separated by a distance 5 cm in ...

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  10. Explain total internal reflection from law of refraction.

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  11. A ray of lilght is incident at a small angle theta on a rectangular gl...

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  12. Two lenses, one convex and the other concave are kept in contact. The ...

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  13. Explain the cause of dispersion of light.

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

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  15. An unpolarised light is incident at angle of polarisation on a reflec...

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  16. Why are polaroids used in sunglasses?

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  17. A Person who can see objects clearly at a distance of 10cm, required s...

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  18. Draw the curve showing the variation of de-Brogli wavelength of a part...

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  19. Mention the inference of Davission- Grammer experiment.

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  20. Define stopping potential.

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