Physics A simple microscope consists of : A long focus concave lens A long focus convex lens A short focus convex lens A short focus concave lens A long focus concave lens A long focus convex lens A short focus convex lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Electron microscopes Optical microscopes None of these Scanning tunneling microscopes Electron microscopes Optical microscopes None of these Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The exposure time The focal length of the lens Size of the camera The aperture The exposure time The focal length of the lens Size of the camera The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool is a bad conductor Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool is a bad conductor Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Barometer Hydrometer Hygrometer Sonometer Barometer Hydrometer Hygrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to glass Water to air Glass to water Glass to air Water to glass Water to air Glass to water Glass to air ANSWER DOWNLOAD EXAMIANS APP