The Numerical Aperture (NA)is

question 3

Multiple Choice

The numerical aperture (NA) is:

• A) an index of the resolving power of a lens.
• B) the distance from an object being viewed to the lens.
• C) inscribed on each objective lens.
• D) both a and b.

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Definitions:

War Crimes

Violations of the laws or customs of war, including mistreatment of prisoners, genocide, the deliberate destruction of civilian property, and killing civilians.

Truman Doctrine

An American foreign policy strategy announced by President Harry S. Truman in 1947, aimed at containing the spread of communism by providing political, military, and economic assistance to all democratic nations under threat from authoritarian forces.

Subjugation

The action of bringing someone or something under domination or control, often by conquest or force.

German Democratic Republic

Also known as East Germany, a socialist state that existed from 1949 to 1990 in the eastern part of Germany, aligned with the Eastern Bloc during the Cold War.