What is an electric shock? It’s a a sudden discharge of electricity through a part of the body. For a sudden discharge of electricity, the prime need is a potential difference. When the bird perches on an electric line, it is at a high potential, but it is not subjected to a high potential difference between […]
Exam are near. CBSE Exams starts from 1 March. The candidates need to be on toes to score well. Smart work is better than hardwork. Just burning midnight oil alone won’t work. Nobody plans to fail, but fails to plan. A failure to plan well may result in ultimate failure. So planning the work based […]
How to make a radio? Asked Amritansh prasad How many time constant will be elapsed before the power delivered to the battery drops to half of its maximum value? Asked Mrityunjoy Nucleus of an atom consists of neutral neutrons and positively charged protrons… then why do protons not attract neutrons and share charges with them? […]
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A collection of one mark and two marks questions from ELECTROSTATICS. Practise these for scoring a better and winning the edge over your coscholars!
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 […]