Before Light Can Undergo Total Internal Reflection When Incident on Material

question 34

Multiple Choice

Before light can undergo total internal reflection when incident on material 2 from material 1,what must be true of the indices of refraction?

• A)n₁ = n₂
• B)n₁ < n₂
• C)n₁ > n₂
• D)Either n₁ or n₂ must be equal to 1.

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Definitions:

Violent Uprising

An aggressive and often armed rebellion against an authority or government.

Slavery

A system in which individuals are owned by others, deprived of personal freedom, and compelled to work without wages.

John Brown's Raid

An armed insurrection led by abolitionist John Brown in 1859, targeting the federal armory at Harpers Ferry, Virginia, intending to initiate a slave rebellion.

Harpers Ferry

A historic town in West Virginia known for John Brown's raid in 1859, an attempted armed slave uprising that played a significant role in heightening pre-Civil War tensions.