Rankers Physics

Lens Makers Formula/ Len's Formula: Practice Problem & Solution

A thin equiconvex glass lens of focal length 10 cm is cut and separated and a material of refractive index 3 is filled between them. What is the focal length of the combination ? \[\left( \mu_{glass}=1.5\right)\] Lens Makers Formula/ Len's Formula diagram: A thin equiconvex glass lens of focal length
–10cm
–10/4 cm
–10/3 cm
None of these

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