Inertia - tendency of a body to remain at rest or uniform motion, Anomalous - expansion of water below 4 degrees, momentum - mass x velocity, force - mass x velocity/time, millimeter - 10-3 metres, convex - mirror used in street lights, concave - mirror used in flashlights, plane mirror - lateral inversion, newton - unit of force, nanometre - 10-9  metres, gravitation - G, hectometre - 102  metre, Hope - scientist who carried out the experiment to prove anomalous expansion of water, Third law - Rowing of a boat is Newtons which law, vector - quantity expressed by magnitude as well as direction, tension - contact force, Thermal - expansion of a substance due to heating, global warming - increase in average effective temperature near the earth's surface, irregular - reflection from a rough surface, virtual - image which is erect,

Physics std 9th

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