Two identical glass ( _ g = 3 2 ) equiconvex lenses of focal length f are kept in…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
Two identical glass\(\left(\mu_{g}=\frac{3}{2}\right)\)equiconvex lenses of focal length f are kept in contact. The space between the two lenses is filled with water \(\left(\mu_{w}=\frac{4}{3}\right) .\)The focal length of the combination is
- f
Answer
(C)
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