A Ray of Light Strikes a Boundary Between Two Transparent

question 60

Multiple Choice

A ray of light strikes a boundary between two transparent materials,and there is no transmitted ray,as shown in the figure.What can you conclude about the indices of refraction of these two materials?

• A) n₁ ≥ n₂
• B) n₁ > n₂
• C) n₁ = n₂
• D) n₂ ≥ n₁
• E) n₂ > n₁

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Definitions:

Capillary Permeability

The ability of substances to pass through capillary walls into tissue spaces.

Lymphatics

Part of the immune system, consisting of a network of vessels that carry lymph, a fluid containing infection-fighting white blood cells.

Plasma Membranes

A double-layer of lipids forming a barrier around the cell cytoplasm, regulating the entry and exit of materials.

Hyperpolarization

A state in which the membrane potential of a cell becomes more negative than its normal resting potential.