Physics The commonly used coolant in refrigerators is Freon Nitrogen Ammonia Oxygen Freon Nitrogen Ammonia Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is More than one Zero Less than one One More than one Zero Less than one One 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 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 Weight of the balloon is less than the weight of air displaced by it. ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Atmospheric pressure increases Temperature remains constant Temperature increases Vapour pressure decreases Atmospheric pressure increases Temperature remains constant Temperature increases Vapour pressure decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Super cooling stands for cooling of a liquid : Above melting point At melting point At freezing point Below freezing point Above melting point At melting point At freezing point Below freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Persistence of vision Formation of impure spectra Formation of pure spectra Principle of complementary colour Persistence of vision Formation of impure spectra Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
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