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find greatest integer of the following 1/ 2 +1/ 3 +1/ 4 +.............+1/ 80 ...
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find greatest integer of the following 1/ 2 +1/ 3 +1/ 4 +.............+1/ 80 ...
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In the following figure, the space b/w the glass lenses is filled with water. We have to find the focal length of the system (radii of curvature, refractive indices given) *Image* Now to calculate the focal length of the wate ...
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1. A current loop of any arbitrary shape lies in a uniform magnetic field B. Show that the net magnetic force acting on the loop is zero. 2. Prove that the force acting on a current carrying wire, joining two fixed points a a ...
