A lens is made with focal length -40 cm using a material with index of refraction 1.50. A second lens is made with the same geometry as the first but using a higher index material, the index being 2.00. What is the focal length of the second lens?
A)-40 cm
B)-80 cm
C)-53 cm
D)-20 cm
E)-30 cm

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The Answer of A lens is made with focal length -40 cm using a material with index of refraction 1.50. A second lens is made with the same geometry as the first but using a higher index material, the index being 2.00. What is the focal length of the second lens?
A)-40 cm
B)-80 cm
C)-53 cm
D)-20 cm
E)-30 cm

A Lens Is Made with Focal Length -40 Cm Using