Bright and Dark Fringes Are Seen on a Screen When

question 9

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 thickness of this film must be

• A) .
• B) .
• C) .
• D) .
• E) .

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Definitions:

Owning Slaves

The historical practice of individuals legally possessing other individuals as property and forcing them into labor without any personal freedoms.

Declined Steadily

A continuous or consistent drop in numbers, quality, or intensity over a period of time.

White Southern Families

Households located in the southern United States, historically associated with various social and economic structures, including during the era of slavery.

States' Rights Doctrine

A political doctrine advocating for state power and autonomy, particularly in opposition to federal intervention.