A Light Ray in Air Strikes a Glass Surface with an Angle

question 15

Multiple Choice

A light ray in air strikes a glass surface with an angle of incidence of 30.0 $^{\circ}$ .The angle of refraction in the glass is 20.0 $^{\circ}$ .What is the speed of light in the glass?

• A) 3.00 \(\times\) 10⁸ m/s
• B) 2.50 \(\times\) 10⁸ m/s
• C) 2.33 \(\times\) 10⁸ m/s
• D) 2.05 \(\times\) 10⁸ m/s
• E) 1.50 \(\times\) 10⁸ m/s

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Definitions:

Nominal Variables

Nominal variables are categorical data without a natural order or ranking among the categories.

Bar Charts

A graphical representation of data where individual categories are denoted by bars of different lengths according to their value.

Playoff System

A knockout or elimination format used in sports and other competitive activities to determine a champion from among the top contenders.

Gender

The socially constructed roles, behaviors, expressions, and identities of girls, women, boys, men, and gender diverse people.