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