Question

Magnification of a lens is found to be +2. Identify the type of lens and write the nature of image formed.

Answer 1

The type of lens can be either concave or convex, depending on where the object is kept. The nature of the image formed is virtual and erect.

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Answer 2

Answer:

Type of lens:-Concave/Convex

Nature of image:-virtual and erect

Explanation:

Since we know that

(M=V/U)

=) +2=V/-U. {U is always -ve}

=) V= -2U

since we get V= -ve,so the image will be on the same side of the lens.It is possible in both the lenses.

1) Concave lens - Object is at any position

2) Convex lens - Object is btwn P and F¹

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