Physics A hydrogen balloon floats up because of 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 weight Air pressure decreases with decrease in height 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 weight Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Remains constant Decreases and then remains constant Increases Decreases Remains constant Decreases and then remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids is most viscous? Petrol Oil Water Milk Petrol Oil Water Milk ANSWER DOWNLOAD EXAMIANS APP
Physics 'Therm' is the unit of Light Distance Heat Power Light Distance Heat Power ANSWER DOWNLOAD EXAMIANS APP
Physics What part of the atom has a positive charge? Neutron Electron All listed here Proton Neutron Electron All listed here Proton ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource Renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP