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A slab of material 1 rests on the surface of a slab of material 2.A light ray in material 1 has an angle of incidence of 30° on the interface between the materials,while the ray in material 2 has an angle of refraction of 45°.What is the critical angle of incidence for total internal reflection for a ray of light going from material 2 to material 1?
Demand Curve
A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping, indicating that as price decreases, demand increases.
Complement
A good or service that is used together with another good or service, which increases the demand for each other.
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The process of providing or obtaining the funds necessary for investment, purchase, or undertaking a project.
Normal Good
A good whose demand varies directly with income; nearly all goods are normal goods.
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