Physics Metals are good conductors of electricity because: The atoms are lightly packed. They contain free electrons. All of these They have high melting point. The atoms are lightly packed. They contain free electrons. All of these They have high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Person who is colourblind cannot distinguish between Red and green Green and blue Yellow and white Black and yellow Red and green Green and blue Yellow and white Black and yellow 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 behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor No radiation of heat takes place Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines contract in their volume Pipelines expand due to freezing Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Sphere Depends on their masses Disk Both reach at the same time Sphere Depends on their masses Disk Both reach at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Polarisation Photoelectric effect Interference Diffraction Polarisation Photoelectric effect Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP