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Mechanics

A Video on Archimedes Principle.

Archimedes Principle states that whenever a body is partially or completely immersed in a liquid it experiences an outward force (called buayant force or upthrust) which is equal to the weight of liquid displaced by the immersed part of the body. Related articles Sure Shot questions in Physics for CBSE Class 9 Summative Assessment (SA1) […]

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ANSWERS TO QUESTIONS FROM VISITORS OPTICS

A Problem from Optics – Reflection of light

Convex and concave mirrors have same radii of curvature R. The distance between the mirrors is 2R. At what point on the common optical axis of the mirrors should a point source of light A be placed for the rays to converge at the point A after being reflected first on the convex and then […]