Physics Vehicles use ________ to see the objects coming from behind. Concave mirror Concave lens Convex lens Convex mirror Concave mirror Concave lens Convex lens Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero 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 Metals are good conductors of electricity because: All of these They have high melting point. They contain free electrons. The atoms are lightly packed. All of these They have high melting point. They contain free electrons. The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with uniform speed The lift is going up with uniform speed The lift is going down with an acceleration The lift is going up with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed The lift is going down with an acceleration The lift is going up with an acceleration ANSWER DOWNLOAD EXAMIANS APP