An Innovative Physics Professor Conducts Laboratory Exercises in the College

question 43

Multiple Choice

An innovative physics professor conducts laboratory exercises in the college swimming pool. The professor places a submersible laser under water (n = 1.33) and aims the beam at a crystal, which is also under water. The reflected beam is found to be totally polarized when the angle of incidence of the beam is 57 degrees. What is the index of refraction of the crystal?

• A) 1.17
• B) 1.12
• C) 1.54
• D) 2.05

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Definitions:

CPI

The Consumer Price Index represents a measurement that calculates the aggregate weighted cost of a selection of consumer goods and services, including items like food, medical services, and transportation.

Salary

A fixed regular payment, typically given on a monthly or biweekly basis, made by an employer to an employee, especially a professional or white-collar worker.

Chalk

Chalk is a soft, white, porous sedimentary carbonate rock, often used for writing on blackboards or in industries like construction and art.

Period

In finance, it refers to the specific duration of time during which certain transactions or processes are evaluated or financial statements are prepared.