Two Coherent Sources Emit Waves of Wavelength 2

question 17

Multiple Choice

Two coherent sources emit waves of wavelength 2.0 m in phase. If the difference in path lengths to an observer is 7.0 m, what kind of interference occurs?

• A) no interference occurs
• B) neither constructive nor destructive, but something in between
• C) constructive
• D) destructive

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Definitions:

Base Peak

In mass spectrometry, the most intense peak representing the ion that is the most abundant.

Pentanoic Acid

A short-chain fatty acid with five carbon atoms, also known as valeric acid, with a strong, pungent odor.

Pimelic Acid

A dicarboxylic acid with a seven-carbon chain, functioning as a precursor in the biosynthesis of lysine.

Alkene

A hydrocarbon containing at least one carbon-carbon double bond, characterized by the general formula CnH2n.