Physics Sound travels at the fastest speed in steel vacuum water air steel vacuum water air ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves capillary action phenomenon volatility of oil the liquid state of oil the diffusion of oil through the wick capillary action phenomenon volatility of oil the liquid state of oil the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: water glass vacuum hydrogen water glass vacuum hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train ANSWER DOWNLOAD EXAMIANS APP