Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 6 5 3 7 6 5 3 7 ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 0 J 200 J 100 J 400 J 0 J 200 J 100 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence Up thrust and surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of osmosis Le Chatelier's Principle Law of conservation of mass Law of conservation of energy Law of osmosis Le Chatelier's Principle Law of conservation of mass Law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12638888888889 0.12777777777778 0.21111111111111 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
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