A Flashlight Beam Makes an Angle of 60° with the Plane

question 93

Multiple Choice

A flashlight beam makes an angle of 60° with the plane of the surface of a calm lake before it enters the water.In the water what angle does the beam make with the plane of the surface? The index of refraction of water is 1.33.

• A)0°
• B)30°
• C)60°
• D)22°
• E)68°

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Definitions:

Absolute Values

A mathematical operation that determines the magnitude of a number without regard to its sign, represented as the distance from zero on the number line.

Favorite Bundle

A term in economics, particularly in consumer theory, referring to the combination of goods and services that maximizes a consumer's utility or satisfaction given their budget constraints.

Indifference Curves

A graphical representation of different bundles of goods between which a consumer is indifferent, showing combinations that give the consumer the same level of satisfaction.

Bundle

A set of goods or services that are sold or consumed together as a single package.