Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Propagation No option is correct Diffraction Refraction Propagation No option is correct Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Creates electrical energy Converts mechanical energy into electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Creates electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by The battery Compressing air in the cylinders Using heat from exhaust An electrical spark The battery Compressing air in the cylinders Using heat from exhaust An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective combinations of lenses mirror None of these lens combinations of lenses mirror None of these lens ANSWER DOWNLOAD EXAMIANS APP
Physics The washing machine works on the principle of Reverse osmosis Dialysis Centrifugation Diffusion Reverse osmosis Dialysis Centrifugation Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of force is a Fundamental Unit Derived Unit None of these Basic Unit Fundamental Unit Derived Unit None of these Basic Unit ANSWER DOWNLOAD EXAMIANS APP