Physics To resolve an object in an electron microscope, Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Microwave radiation Visible light UV rays Gamma rays Microwave radiation Visible light UV rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Transverse Rolling Longitudinal Field Transverse Rolling Longitudinal Field ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Increase Decrease Remains the same First decrease and then increase Increase Decrease Remains the same First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Diffusion Capillarity Viscosity Surface tension Diffusion Capillarity Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol ANSWER DOWNLOAD EXAMIANS APP