Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has an object existence no existence both subjective and objective existence a subject existence an object existence no existence both subjective and objective existence a subject existence ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: Low voltage to high voltage Direct current to Alternating current Alternating current to Direct current High voltage to low voltage Low voltage to high voltage Direct current to Alternating current Alternating current to Direct current High voltage to low voltage ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Light energy Potential energy Thermal energy Kinetic energy Light energy Potential energy Thermal energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Has high specific heat Is a good conductor Has high boiling point Low latent heat of vapourization Has high specific heat Is a good conductor Has high boiling point Low latent heat of vapourization ANSWER DOWNLOAD EXAMIANS APP
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