hedwig9599 hedwig9599

02-04-2024
Physics

contestada

If a convex lens of refractive index 1.5 with focal length 20 is immersed in liquid of 1.6 refractive index, find the focal length.
a) 12.5 cm
b) 16.7 cm
c) 25 cm
d) 30 cm

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