Unless otherwise specified in a problem, nglass = 1.5, nwater = 1.33, nair = 1.0

Question

Unless otherwise specified in a problem, nglass = 1.5, nwater = 1.33, nair = 1.0

1. A mosquito is embedded in a square block of amber, 4.3 cm from the front surface. To an observer looking at the front surface, the mosquito appears to be 2.8 cm from the surface. What is the index of refraction of the amber?

2. A mosquito is embedded in a square block of amber, 4.3 cm from the front surface. To an observer looking at the front surface, the mosquito appears to be 2.8 cm from the surface.

a) What is the index of refraction of the amber?

Explanation / Answer

real depth = 4.3 cm

apparent depth = 2.8 cm

namber = index of refraction of amber

nair = 1 = index of refraction of air

namber /nair = namber /1 = real depth / apparent depth = 4.3 /2.8

namber = 1.54

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