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 Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect Electromagnets Magnets None of these Both A & B Electromagnets Magnets None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Surface Centre of earth Poles Equator Surface Centre of earth Poles Equator ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. The level of the liquid in the two vessels are at the same height. Both its limbs are of unequal length. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. The level of the liquid in the two vessels are at the same height. Both its limbs are of unequal length. ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Metal Water Vacuum Air Metal Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Cylindrical lens Convex lens Plano-concave lens Concave lens Cylindrical lens Convex lens Plano-concave lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
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