Diamond Has an Index of Refraction of 2

question 86

Multiple Choice

Diamond has an index of refraction of 2.419. What is the critical angle for internal reflection inside a diamond that is in air?

• A) 48.8°
• B) 131°
• C) 24.4°
• D) 155°

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Definitions:

Total Fertility Rate

The typical amount of children a woman is expected to have throughout her life, based on present fertility rates.

Replacement Rate

The ratio of a retiree's pension benefit to their earning before retirement, often used to measure the adequacy of retirement income.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return.

Market Rate

The prevailing price or interest rate in the market for goods, services, or securities.