engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Optics Refraction and Reflection
Two lenses L₁ and L₂ of the same power, +5.0 D, separated by a distance of 90 cm are arranged parallel to each other in vertical planes. An object is placed left to L₁ at a distance of 30 cm, on the common axis of the lenses. The distance between the original object and the final image is:
1
1.50 m
2
1.80 m
3
1.20 m
4
1.00 m