22 A hollow double concave lens is made of very thin

Last updated: 6/13/2023

22 A hollow double concave lens is made of very thin transparent material It can be filled with air or either of two liquids L and L having refractive indices and respectively 1 The lens will diverge a parallel beam of light if it is filled with a air and placed in air b air and immersed in L c L and immersed in L d L and immersed in L IIT 20001