Physics Electron microscope works on which of the following principles? Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Wave Nature of electrons Optical interference Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Wave Nature of electrons Optical interference ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a common first indicator of an approaching thunderstorm? A buildup of dark clouds Too hot Lightning Heavy wind A buildup of dark clouds Too hot Lightning Heavy wind ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The focal length of the lens The exposure time The aperture Size of the camera The focal length of the lens The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to A surface tension phenomenon Multiple diminishing brightness A series of refractions A series of reflections A surface tension phenomenon Multiple diminishing brightness A series of refractions A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a poor conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of Infrared ray Ultraviolet ray X-ray G-ray Infrared ray Ultraviolet ray X-ray G-ray ANSWER DOWNLOAD EXAMIANS APP