Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Air to water Glass to water Water to glass Air to glass Air to water Glass to water Water to glass ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Centre of mass Dead centre Centre of motion Centre of gravity Centre of mass Dead centre Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Equal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere ANSWER DOWNLOAD EXAMIANS APP