pls tell me the points to be mainly done in the chapter electricity,reflection and refraction of lig

Asked by  | 7th Mar, 2008, 08:27: PM

Expert Answer:


1: Ray diagram for the image formation by convex and concave mirror and by convex and concave lens.

2: Nature of image, magnification, numericals on mirror formulae and lens formulae.


1: Electric circuit, Ohm's law, resistance and resistivity

2: Series and parallel combination of resistors, power and numericals on all these formulae.



Answered by  | 8th Mar, 2008, 12:06: PM

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