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