Question

Where should an object be placed in front of a convex lens to get a real image of the
stee of the object
tal At the principal locus of the lens
b At twice the focal length
At Infinity
Id Between the optical centre of the lens and its principal focus​

Answer 1

Answer:

B:At the the focal length.

Please Mark as Brainlist answer.

Answer 2

Answer:

Answer is A.

Explanation:

When object is kept at twice the focal length, image is formed at twice the focal length on the opposite side. In such a scenario, magnification is -1 and hence the image size is same as object size.