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