Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? G-rays X-rays B-rays A-rays G-rays X-rays B-rays A-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance The fuse of the appliance Short circuitry of the appliance The filament of the appliance The outer metallic body of the appliance The fuse of the appliance Short circuitry of the appliance The filament of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Force Angular momentum Energy Linear momentum Force Angular momentum Energy Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light radio waves ultraviolet light X-rays visible light radio waves ultraviolet light X-rays ANSWER DOWNLOAD EXAMIANS APP
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