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

question 6

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 angle between the reflected ray and the refracted ray?

• A) 60\(^{\circ}\)
• B) 70\(^{\circ}\)
• C) 120\(^{\circ}\)
• D) 130\(^{\circ}\)
• E) 140\(^{\circ}\)

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Definitions:

Free Rider

A person who receives the benefit of a good but avoids paying for it

Free-Rider

An individual who benefits from resources, goods, or services without paying for the cost of the benefit.

Market Forces

The economic factors affecting the price, demand, and availability of goods and services in a free market, primarily driven by supply and demand.

Free of Charge

A situation or service where no payment is required to obtain a good or service.