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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > The focal length of the lens of refractive index ( μ = 1.5 )in air is 10cm. If air is replaced by water of (μ=4/3) its focal length is

The focal length of the lens of refractive index ( μ = 1.5 )in air is 10cm. If air is replaced by water of (μ=4/3) its focal length is

The focal length of the lens of refractive index ( μ = 1.5 )in air is 10cm. If air is replaced by water of (μ=4/3) its focal length is