Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 336 J 4.2 J 80 J 2268 J 336 J 4.2 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Made up of slabs of different refractive indices Of variable refractive index Inhomogeneous and transparent Homogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Inhomogeneous and transparent Homogeneous and transparent ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Iron Copper Aluminium Zinc Iron Copper Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Heat energy Chemical energy Potential energy Electrical energy Heat energy Chemical energy Potential energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Temperature of ice is less than that of water Pipelines contract in their volume Water freezes and expands in its volume Pipelines expand due to freezing Temperature of ice is less than that of water Pipelines contract in their volume Water freezes and expands in its volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Both A & B Earth's heat Water None of these Both A & B Earth's heat Water ANSWER DOWNLOAD EXAMIANS APP