If a Metal Sheet Containing a Tiny Hole Is Heated

question 82

Multiple Choice

If a metal sheet containing a tiny hole is heated (without damaging it) and therefore expands, what happens to the angular location of the first-order diffraction maximum?

• A) It doesn't change.
• B) It moves toward the centerline.
• C) It moves away from the centerline.

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Definitions:

Superego

The component of the psyche in Freudian psychoanalytic theory that represents internalized societal norms and morals, acting as a counter to the id.

Ego

In psychoanalytic theory, the part of the personality that mediates between the demands of the id, superego, and reality, playing a key role in decision making and maintaining one's sense of self.

Reality Principle

A psychoanalytic concept that represents the ability of the mind to assess the external world and act upon it accordingly, often in contrast with the pleasure principle.

Unconscious

Refers to the part of the mind that is inaccessible to the conscious mind but affects thoughts and behaviors.