If N₁ = 1 $\theta$ For No Light Escaping?
A) $\theta$

question 54

Multiple Choice

If n₁ = 1.3 and n₂ = 2.2,what is the condition for the angle $\theta$ for no light escaping?

• A)\(\theta\) > 54 \(\circ\)
• B)\(\theta\) < 54 \(\circ\)
• C)\(\theta\) > 36 \(\circ\)
• D)\(\theta\) < 36 \(\circ\)
• E)Light escapes for all \(\theta\).

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Definitions:

1920s

A decade characterized by economic prosperity and cultural change in the United States, often referred to as the "Roaring Twenties."

1950s

A decade marked by the aftermath of World War II and the beginning of the Cold War, characterized by significant social, economic, and technological changes globally.

1970s

A decade marked by significant events such as the oil crisis, the end of the Vietnam War, and notable shifts in culture and technology.

National Income Accountants

Economists who calculate the nation's total income, including GDP and GNP.