An Object of Length 3

question 30

Multiple Choice

An object of length 3.20 cm is inside a plastic block with index of refraction 1.30.If the object is viewed from directly above,what is the length of its image?

• A) 3.20 cm
• B) 4.16 cm
• C) 2.46 cm
• D) 2.81 cm
• E) ​1.89 cm

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Definitions:

Recessionary Gap

The difference between the actual level of GDP and the potential level of GDP in an economy, indicating economic underperformance.

Classical Economists

A group of 18th- and 19th-century economists who believed that economic downturns corrected themselves through natural market forces; thus, they believed the economy was self-correcting and needed no government intervention.

John Maynard Keynes

An influential British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments.

Expansionary Gap

A situation where actual output in an economy exceeds the potential output, leading to inflationary pressures due to high demand.