Two identical glass (u= 3/2) equiconvex lenses of focal length f each are kept in contact. The space

Описание к видео Two identical glass (u= 3/2) equiconvex lenses of focal length f each are kept in contact. The space

Two identical glass (u= 3/2) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water (mu_{w} = 4/3) The focal length of the combination is

(a) f/3

(b) f

(c) 4f/3

(d) 3f/4

(NEET-II 2016)

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