Physics Sound travels at the fastest speed in vacuum air water steel vacuum air water steel ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Thermal Expansion Convection Evaporation Revolution Thermal Expansion Convection Evaporation Revolution ANSWER DOWNLOAD EXAMIANS APP
Physics Mist is caused by Water vapour at low temperature Dry ice Ice at low temperature Carbon-monoxide in solid form Water vapour at low temperature Dry ice Ice at low temperature Carbon-monoxide in solid form ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Boyle's Law Viscosity Gravitational force Surface tension Boyle's Law Viscosity Gravitational force Surface tension ANSWER DOWNLOAD EXAMIANS APP
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