Bright and Dark Fringes Are Seen on a Screen When

question 12

Multiple Choice

Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The locations of bright and dark fringes can be interchanged if a thin film is placed in front of one of the slits. The minimum width of this film must be

• A) .
• B) .
• C) .
• D) .
• E) .

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Definitions:

Agency Behavior

Actions and decisions made by agents representing others in business transactions, reflecting the interest of the principal.

Informal Rulemaking

A regulatory process that involves the publication of a proposed rule and the consideration of public feedback before finalizing the rule.

Federal Register

The official journal of the federal government of the United States that contains government agency rules, proposed rules, and public notices.

Constitutional Tests

Judicial standards and criteria used to evaluate laws and government actions to ensure they conform with the Constitution.