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