Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 40 J 20 J 50 J 30 J 40 J 20 J 50 J 30 J ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of force is a Basic Unit None of these Derived Unit Fundamental Unit Basic Unit None of these Derived Unit Fundamental Unit ANSWER DOWNLOAD EXAMIANS APP
Physics Water will not be vapourised if The humidity is 100% The temperature is 0°C The temperature is 100°C The humidity is 0% The humidity is 100% The temperature is 0°C The temperature is 100°C The humidity is 0% ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation Electron-electron interaction ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls In front of him By his side Behind him Into his hand In front of him By his side Behind him Into his hand ANSWER DOWNLOAD EXAMIANS APP