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