Physics If a copper wire is increased to double its length, its resistance will become Double One–fourth Half Four times Double One–fourth Half Four times ANSWER DOWNLOAD EXAMIANS APP
Physics During ________ motion of an object along a straight line, the velocity remains constant with time. Linear Equilibrium Translational Uniform Linear Equilibrium Translational Uniform ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Ionosphere Stratosphere Chromosphere Troposphere Ionosphere Stratosphere Chromosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms real image It forms smaller image as compared with object All of these It forms erect (upright) image It forms real image It forms smaller image as compared with object All of these It forms erect (upright) image ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R R/2 5R/4 3R/4 2R R/2 5R/4 3R/4 ANSWER DOWNLOAD EXAMIANS APP
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