Physics To resolve an object in an electron microscope, None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Electromagnetic Force Gravitational Force Nuclear Force Centripetal Force Electromagnetic Force Gravitational Force Nuclear Force Centripetal Force ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant speed Varying acceleration Constant velocity Constant acceleration Constant speed Varying acceleration Constant velocity Constant acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Air Steel Water Wood Air Steel Water Wood ANSWER DOWNLOAD EXAMIANS APP
Physics Formula for distance is Velocity / speed Time / speed Speed x acceleration Speed x time Velocity / speed Time / speed Speed x acceleration Speed x time ANSWER DOWNLOAD EXAMIANS APP