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 Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Inertia Momentum Force Velocity Inertia Momentum Force Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters 12.33 diopters -4.33 diopters 4.33 diopters -12.33 diopters 12.33 diopters -4.33 diopters 4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m2 It has no unit Kg/m Kg/m3 Kg/m2 It has no unit Kg/m Kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years 4.2 seconds 42 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Red White Violet Yellow Red White Violet Yellow ANSWER DOWNLOAD EXAMIANS APP
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