Primary focus of the concave lens lies on the left side of the optical centre of the lens.

False

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True

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Solution

The correct option is B True

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Similar questions

(a) With the help of a labelled diagram explain how a convex lens converges a beam of parallel light rays. Mark the principal axis, optical centre, principal focus and focal length of the convex lens on the diagram.
(b) State whether the convex lens has a real focus or a virtual focus. (c) List some things that convex lens and concave mirror have in common.

Q. Fill in the blank spaces by choosing the correct words from the list given below:
List : principal focus, double the principal focus, optical centre, erect, diverging lens.

A concave lens always forms a virtual, ______ and diminished image of an object.

Q. An object placed between focus and optical center of a concave lens will produce an image

Q. Distance between focus and optical centre of a lens is called ....................

Q. a) For convex lens, distance of real image from the optical centre is .........
b) Focal length of concave lens is ..........

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