Physics It is more difficult to walk on ice than on a concrete road because There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these There is more friction between the ice and feer There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete None of these There is more friction between the ice and feer ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 4 T 1 T 8 T 2 T 4 T 1 T 8 T ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays G-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is Zero 0.25 0.01 0.005 Zero 0.25 0.01 0.005 ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A short focus convex lens A long focus concave lens A long focus convex lens A short focus concave lens A short focus convex lens A long focus concave lens A long focus convex lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
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