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 No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media No radiation of heat takes place Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Scattering of light Reflection of light Total internal reflection of light Refraction of light Scattering of light Reflection of light Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer reading suddenly recedes, it indicates that climate– Incessant rain for at least 48 Will be very warm Will remain cold Will be extremely stormy Incessant rain for at least 48 Will be very warm Will remain cold Will be extremely stormy ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Stratosphere Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere Chromosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Glass slab Prism Concave lens Convex lens Glass slab Prism Concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP