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 On which day 'National Science Day' is celebrated in India ? 43889 43884 43886 43887 43889 43884 43886 43887 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Current unloader Surge protector Heat protector Voltage unloader Current unloader Surge protector Heat protector ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Infra-red rays Fluorescent light Ultra-violet rays Visible light Infra-red rays Fluorescent light Ultra-violet rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls By his side Into his hand In front of him Behind him By his side Into his hand In front of him Behind him ANSWER DOWNLOAD EXAMIANS APP
Physics Blowing Air with open pipe is an example of : Isobaric process Adiabatic process Isothermal process Isochroric process Isobaric process Adiabatic process Isothermal process Isochroric process ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS