JEE Main 2026 Physics question

PhysicsRay Optics and Optical InstrumentsJEE Main 2026

The size of the images of an object, formed by a thin lens are equal when the object is placed at two different positions and from the lens. The focal length of the lens is .

Answer: 16

Solution

Sol.

= -

= -

f-8 = 24-f

2f = 32

f = 16 cm

Question ID VK-001342