The ratio of speed of light in air to the speed of light in another substance is called the ∙ a. Speed factor ∙ b. Index of reflection ∙ c. Index of refraction ∙ d. Dielectric constant

The ratio of speed of light in air to the speed of light in another substance is called the ∙ a. Speed factor  
∙ b. Index of reflection  
∙ c. Index of refraction  
∙ d. Dielectric constant
by

1 Answer

Answer :

b. Index of reflection
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