Total Internal Reflection: the Critical Angle in Air for a Particular

question 36

Multiple Choice

Total internal reflection: The critical angle in air for a particular type of glass is 39.0°. What is the speed of light in this class glass? (c = 3.00 × 10⁸ m/s)

• A) 1.97 × 10⁸ m/s
• B) 1.94 × 10⁸ m/s
• C) 1.91 × 10⁸ m/s
• D) 1.89 × 10⁸ m/s
• E) 2.00 × 10⁸ m/s

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Definitions:

Past Demand

Historical data regarding the quantity of goods or services that were sought after by consumers in previous periods.

Qualitative Approach

A research strategy focusing on understanding the quality, nature, or characteristics of phenomena rather than quantifying them with numbers.

Random Fluctuations

The unpredictable changes in variables or systems over time, which can be due to a variety of uncontrolled or random factors.

Seasonal Fluctuations

Variations in demand, supply, or other economic factors that regularly occur at specific times of the year due to changes in season.