Physics Which one of the following instruments is used to study dispersion of light ? Spectrometer Photometer Microscope Telescope Spectrometer Photometer Microscope Telescope ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of pure spectra 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 ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Grey White Black Blue Grey White Black Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Hydrometer Ammeter Voltmeter Thermocouple Hydrometer Ammeter Voltmeter Thermocouple ANSWER DOWNLOAD EXAMIANS APP