If a Wave from One Slit of a Young's Double-Slit

question 53

Multiple Choice

If a wave from one slit of a Young's double-slit set-up arrives at a point on the screen one-half wavelength behind the wave from the other slit,what is observed at that point?

• A) dark fringe
• B) bright fringe
• C) gray fringe,neither dark nor bright
• D) multi-colored fringe

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Definitions:

Problem Drinking

The consumption of alcohol at levels that result in health problems or significantly impair functioning, short of alcohol dependence.

Effective

Producing a desired or intended result, often used in the context of treatments, policies, or methods that achieve their goals.

Tension Reduction Hypothesis

The theory that behaviors such as substance use are motivated by the desire to reduce stress.

Drinking

The act of consuming liquids; in the context of alcohol, it refers to the ingestion of alcoholic beverages.