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