A physics student epoxies two converging lenses to the opposite ends of a 20-cm long tube.One lens has a focal length of f₁ = 4.0 cm.She wants to use this device as a microscope.If the desired magnification of this homemade microscope is 80,what focal length should the student use for the the second lens? A)1.67 cm B)1.42 cm C)1.56 cm D)2.00 cm E)1.75 cm

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The Answer of A physics student epoxies two converging lenses to the opposite ends of a 20-cm long tube.One lens has a focal length of f₁ = 4.0 cm.She wants to use this device as a microscope.If the desired magnification of this homemade microscope is 80,what focal length should the student use for the the second lens? A)1.67 cm B)1.42 cm C)1.56 cm D)2.00 cm E)1.75 cm

A Physics Student Epoxies Two Converging Lenses to the Opposite