Which index of refraction represents the least optically dense material?

A) 2.65

B) 1.77

C) 2.42

D) 1.58

Question

Physics

Isis Mason

2 September, 08:01

Which index of refraction represents the least optically dense material?

A) 2.65

B) 1.77

C) 2.42

D) 1.58

+4

Answers (1)

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Cloud · Answer 1

Higher optical density means light moves more slowly through the medium. The speed of light in a medium is given by

c' = c/n

Where n is the index of refraction. So the least optically dense material is the one with the lower index of refraction,

n=1.58

Which index of refraction represents the least optically dense material?A) 2.65B) 1.77C) 2.42D) 1.58

Which index of refraction represents the least optically dense material?

A) 2.65

B) 1.77

C) 2.42

D) 1.58