Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Persistence of vision Principle of complementary colour Formation of impure spectra Formation of pure spectra Persistence of vision Principle of complementary colour Formation of impure spectra Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Fusion reaction Fission reaction None Combustion reaction Fusion reaction Fission reaction None Combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Physics The swing of a spinning cricket ball in air can be explained on the basis of Buoyancy of air. Bernoulli's theorem. Sudden change in wind direction. Turbulence caused by wind. Buoyancy of air. Bernoulli's theorem. Sudden change in wind direction. Turbulence caused by wind. ANSWER DOWNLOAD EXAMIANS APP
Physics Which waves cannot be transmitted through vacuum? Heat Sound Electromagnetic Light Heat Sound Electromagnetic Light ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? None of these Increases exponentially Becomes zero Remains constant None of these Increases exponentially Becomes zero Remains constant ANSWER DOWNLOAD EXAMIANS APP