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 the diffusion of oil through the wick the liquid state of oil capillary action phenomenon volatility of oil the diffusion of oil through the wick the liquid state of oil capillary action phenomenon 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 conduct electricity at high temperatures offer no resistance to the flow of electricity offer high resistance to the flow of current conduct electricity at low temperature conduct electricity at high temperatures offer no resistance to the flow of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: vacuum water hydrogen glass vacuum water hydrogen glass 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
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