Given below are two statements:
Statement (I): When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.
Statement (II): Concave lens always forms a virtual and erect image.
In the light of the above statements, choose the correct answer from the options given below:

Question

Given below are two statements:

Statement (I): When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.

Statement (II): Concave lens always forms a virtual and erect image.

In the light of the above statements, choose the correct answer from the options given below:

G1 Physics · Accepted Answer

For a concave lens, Statement I is false. Using lens formula for a real object: 1/v - 1/u = 1/f A concave lens forms a virtual and erect image for a real object. Therefore, according to the official NTA key: Statement I is false and Statement II is true. Official NTA answer: Option A.