Physics What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Ultraviolet radiation X-ray radiation Visible radiation Infrared radiation Ultraviolet radiation X-ray radiation Visible radiation Infrared radiation ANSWER DOWNLOAD EXAMIANS APP
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 Electric power is measured in units of Volt Ampere Joule Watt Volt Ampere Joule Watt ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Volume Temperature Mass Density Volume Temperature Mass Density ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Potential Heat Current Voltage Potential Heat Current Voltage ANSWER DOWNLOAD EXAMIANS APP