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 pure spectra Formation of impure spectra Principle of complementary colour Persistence of vision Formation of pure spectra Formation of impure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the middle At the bottom At the top Can be anywhere At the middle At the bottom At the top Can be anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Dialysis Reverse osmosis Centrifugation Diffusion Dialysis Reverse osmosis Centrifugation Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Both longitudinal and transverse Longitudinal Waves are not produced Transverse Both longitudinal and transverse Longitudinal Waves are not produced Transverse ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is broader at the base To withstand pressure that increases with depth Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases with depth Because streamlining is required To withstand pressure that increases in a horizontal plane To withstand pressure that is increased with atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP