MCQEasy1 mark
Select the correct option for each of the following questions
The refractive index of a diamond is 2.4. It means that: (a) the speed of light in vacuum is equal to 1/2.4 times the speed of light in diamond (b) the speed of light in the diamond is 2.4 times the speed of light in a vacuum. (c) the speed of light in a vacuum is 2.4 times the speed of light in the diamond, (d) the wavelength of light in diamond is 2.4 times the wavelength of light in vacuum.
Topic: Electromagnetic spectrum / scattering
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(c) the speed of light in vacuum is 2.4 times the speed of light in diamond.
Explanation
μ=c/v=2.4.
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