A Light Ray Strikes a Hexagonal Ice Crystal Floating in the Air

question 30

Multiple Choice

A light ray strikes a hexagonal ice crystal floating in the air perpendicular to one face, as shown below. The hexagonal faces of the crystal are perpendicular to the plane of the page. All the rays shown are in the plane of the page, and n_ice = 1.30. Which outgoing ray is correct when the incoming ray strikes the crystal face on the left head on?

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Stable Body Weight

A condition where an individual's body weight remains relatively constant over time, indicating a balance between calorie intake and energy expenditure.

Blood Sugar

The concentration of glucose in the bloodstream, crucial for providing energy to cells throughout the body; its regulation is vital for metabolic health.

Major Source of Energy

Typically refers to carbohydrates, fats, and proteins in the diet, which are essential for providing the body with the necessary fuel to maintain its functions.

Glucose

An essential energy-providing sugar in living entities, also making up a significant part of various carbohydrates.