Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Falls Rises Remains same Falls first and then rises Falls Rises Remains same Falls first and then rises ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Accelerates the speed of the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Gives strength to the engine Accelerates the speed of the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Neutron Negative ion None of these Positive ion Neutron Negative ion None of these Positive ion ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? 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 Air layer between two shirts works as good conductor No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Ultraviolet rays X–rays Visible light Infrared rays Ultraviolet rays X–rays Visible light Infrared rays ANSWER DOWNLOAD EXAMIANS APP
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