A convex lens of focal length \;{a}/{2} and a plane mirror are arranged as shown. The plane mirror is inclined at an angle 45^{∘} with the axis and the distance between lens and mirror is equal to focal length of the lens. A point source is placed at a distance 'a' from lens at its axis. The distance between the source and the image formed after reflection from the mirror will be

Question

Examsnet · Accepted Answer

Correct Answer is :  ‌√10a2

JEE Advanced 2020 Full Test 7 Paper 2