Concave mirrors are used in, street lights, automobile headlights, rear view mirror of a car, convex mirrors are used in, street lights, automobile headlights, as a doctors head mirror, Anomalous expansion of water, expansion on cooling between 4 degrees to 0 degrees, expansion on heating between 0 degrees to 4 degrees, expansion on heating above 4 degrees, expansion on heating above 0 degrees, 1 micrometer is, 10-1 meter, 10 -2 meter, 10 -3 meter, 10 -6 meter, S.I unit of temperature, celsius, Kelvin, Fahrenheit, The shortest path between two points, distance, velocity, displacement, speed, A general character of all non contact forces, always positive, always negative, the bodies are never in touch, Weight is a kind of, gravity, force, speed, C.G.S unit of force, Newton, Dyne, dyne, While catching a ball the cricketer withdraws his hands along with the ball, Newtons 1st and 2nd law, Newtons 1st and 3rd law, Newtons 2nd law only, Newtons 1st law only, mass x velocity, force, momentum, rate of change of momentum, When a body is thrown vertically upwards, u is zero, v is zero, u and v both are zero, u and v both are maximum, Depends on the average kinetic energy of the molecules of a body due to its random motion, heat, temperature, kinetic energy, potential energy, used to keep the temperature below zero degrees in HOPE's apparatus, liquid nitrogen, solid carbondioxide, salt and ice, images formed by this mirror are always virtual, convex, concave, concavoconvex, A ray passing through the focus of any mirror will always, reflect back or appear to reflect back through the same path, reflect or appear to reflect parallel to the principal axis, will form a 90 degree angle with the principal axis, In cartesans sign convention, All distances are measured from the pole of the mirror, all distance are measured from the centre of curvature, all distances are measured from the focus of the mirror

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