Question

Assertion : Object at radius of curvature of biconvex lens forms image at same distance an other side of lens.

Reason : Image of a real object formed by concave lens is always virtual and erect.

(1) Assertion and reason are correct and reason is correct explanation of assertion. 

(2) Assertion and reason are correct but reason is not correct explanation of assertion. 

(3) Assertion is correct but Reason is incorrect 

(4) Assertion is incorrect but Reason is correct

Answer 1

Correct Option is (2) Assertion and reason are correct but reason is not correct explanation of assertion.

Theoretical \(\frac{1}{v}-\frac{1}{u}=\frac{1}{f}\) & \(|v|\) = \(|u|\) = 2f