Physics In severe winter, in cold countries water pipes burst because High atmospheric pressure Contraction of water pipes Water expands on freezing Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing Combined effect of all the above three ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Pascal's law Bernoulli's principle Newton's law Archimedes' principle Pascal's law Bernoulli's principle Newton's law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Diffusion Centrifugation Reverse osmosis Dialysis Diffusion Centrifugation Reverse osmosis Dialysis ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Weight Gravity Centrifugal force Centripetal force Weight Gravity Centrifugal force Centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is John Logie Baird Heinrich Hertz Thomas Alva Edison James Clerk Maxwell John Logie Baird Heinrich Hertz Thomas Alva Edison James Clerk Maxwell ANSWER DOWNLOAD EXAMIANS APP
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