Physics The reflector of a search light is a : Concave mirror Convex mirror Cylindrical mirror Plane mirror Concave mirror Convex mirror Cylindrical mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Instruments for measuring Solar Radiation? Dynamometer Pyranometer Anemometer Ammeter Dynamometer Pyranometer Anemometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 8 T 4 T 1 T 2 T 8 T 4 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 10 J 25 J 20 J 40 J 10 J 25 J 20 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these Decreasing the radius of the capillary tube Increasing the radius of the capillary tube Increasing the height of water in the vessel None of these Decreasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
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