A lens of power 2D and lens of power 1 D are placed in close

Last updated: 6/14/2023

A lens of power 2D and lens of power 1 D are placed in close contact with each other The combination will behave like i a convergent lens of focal length 50 cm ii a convergent lens of focal length 100 cm iii a divergent lens of focal length 50 cm iv a divergent lens of focal length 100 cm