Physics Sound travels at the fastest speed in water steel vacuum air water steel vacuum air ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves the diffusion of oil through the wick capillary action phenomenon the liquid state of oil volatility of oil the diffusion of oil through the wick capillary action phenomenon the liquid state of oil volatility of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which 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 offer high resistance to the flow of current 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 hydrogen glass water vacuum hydrogen glass water ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves 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 the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP