Question

A lens forms an inverted image of an object equal to its own size. The object is:

Options

• beyond infinity and 2F₁

• at 2F₁

• between 2F₁ and F₁

• in between F₁ and optical centre

Answer 1

At 2F₁

Explanation:

When an object is placed at 2F₁ of a convex lens, its image is real, inverted, and equal in size. The other positions form images of different sizes or an erect, virtual image.