Physics A photo-electric cell converts Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Mirage Earthshine Halo Rainbow Mirage Earthshine Halo Rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Lead Wood Nickel Aluminium Lead Wood Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The surface of ice is smooth The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The surface of ice is smooth The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A ring A book A cricket ball A fountain pen A ring A book A cricket ball A fountain pen ANSWER DOWNLOAD EXAMIANS APP