Physics What type of lens is used in a magnifying glass None of these Convex Plano-concave Concave None of these Convex Plano-concave Concave ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Proximity of object Size of the object Brightness of the object Skill of photographer Proximity of object Size of the object Brightness of the object Skill of photographer ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms An image type which depends on object characteristics A real image An image type which depends on lens curvature A virtual image An image type which depends on object characteristics A real image An image type which depends on lens curvature A virtual image ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Real and erect Virtual and erect Virtual and inverted Real and inverted Real and erect Virtual and erect Virtual and inverted Real and inverted ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The exposure time Size of the camera The aperture The focal length of the lens The exposure time Size of the camera The aperture The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP