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