A lens made of fused quartz (n = 1.46) has a focal length of +45 when it
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(a) If the lens is immersed in oil (n = 1.50), the lens will (1) remain con-verging, (2) become diverging, (3) have an infinite focal length. Explain.
(b) What is the focal length when it is in oil?
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a In the lens makers equation the quantity n 1 will become n n o 1 146150 1 wh...View the full answer
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