Physics Sound travels at the fastest speed in water air vacuum steel water air vacuum steel ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves 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 the diffusion of oil through the wick volatility of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which 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 offer no resistance to the flow of electricity conduct electricity at high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: water vacuum hydrogen glass water vacuum hydrogen glass ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves 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 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 ANSWER DOWNLOAD EXAMIANS APP