Refraction Of Light Mock Tests

A concave lens always forms an image that is:

An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm. The image formed is:

A convex lens of focal length 10 cm forms a virtual image of an object placed 5 cm from the lens. The image distance is:

A convex lens of focal length 15 cm is used as a magnifying glass. The maximum distance of the object from the lens to get a magnified image is:

A concave lens of focal length 20 cm forms an image of an object placed at a distance of 30 cm from the lens. The image is:

The power of a lens is +2.0 D. The focal length of the lens is:

A convex lens of focal length f produces a real image that is the same size as the object. The object distance is:

A convex lens of focal length 15 cm is used as a magnifying glass. For the image to be virtual and magnified, the object must be placed: