Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Metal reflects radiowaves Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Vehicle pollution affects the performance of the TV components ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is indicated by the colour of a star ? Size Temperature Weight Distance Size Temperature Weight Distance ANSWER DOWNLOAD EXAMIANS APP
Physics If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same: Momentum Acceleration Kinetic energy Velocity Momentum Acceleration Kinetic energy Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Candela Lumen second Lux Lumen Candela Lumen second Lux ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Decreases Increases No change First increases and than decreases Decreases Increases No change First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP
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