If a Sheet Containing a Single Thin Slit Is Heated

question 80

Multiple Choice

If a sheet containing a single thin slit is heated (without damaging it) and therefore expands,what happens to the width of the central bright diffraction region on a distant screen?

• A)It gets narrower.
• B)It gets wider.
• C)It doesn't change.

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Definitions:

Demographic Transition

A model that describes the transformation of countries from having high birth and death rates to low birth and death rates as a society progresses economically and socially.

World Population

The total number of living humans on Earth at a given time, which affects resource demand, environmental sustainability, and global policies.

An Essay on the Principle of Population

A work by Thomas Malthus arguing that population growth would outpace agricultural production, leading to widespread poverty and famine unless controlled by societal measures.

Thomas Malthus

An 18th-century British economist known for his theory on population growth, which posits that population increases geometrically while food supply increases arithmetically.