Question
Explain equations of Maxwell in detail.

Answer

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Show that the electric field at the surface of a charged conductor is $\vec{\text{E}}=\frac{\text{p}}{\in_0}\hat{\text{n}}$ where $\sigma$ is surface charge density and 
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In a Young's double slit interference experiment the fringe pattern is observed on a screen placed at a distance D from the slits. The slits are separated by a distance d and are illuminated by monochromatic light of wavelength $\lambda$. Find the distance from the central point where the intensity falls to,
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  2.  What should be the minimum separation between the lens and the eye so that the eye can clearly see the object?
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  1. Two insulated charged copper spheres A and B have their centres separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 × 10-7 C? The radii of A and B are negligible compared to the distance of separation.
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Fig. represents a crystal unit of cesium chloride, CsCl. The cesium atoms, represented by open circles are situated at the corners of a cube of side 0.40nm, whereas a Cl atom is situated at the centre of the cube. The Cs atoms are deficient in one electron while the Cl atom carries an excess electron.

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