When Light Passes Through Two or More Narrow Slits,an Alternating

question 34

Multiple Choice

When light passes through two or more narrow slits,an alternating dark and bright pattern is observed on a screen because of

• A)interference.
• B)diffraction.
• C)specular reflection.
• D)diffuse reflection.
• E)polarization.

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Definitions:

Consumer Surplus

The variance between the amount buyers are ready to spend on a good or service and the amount they actually pay.

Tariff

A tax imposed by a government on goods and services imported from other countries to regulate trade and protect domestic industries.

Sugar

A sweet-tasting, soluble carbohydrate found in many plants, widely used as a sweetener in food and beverages.

Import Quota

A restriction by a country on the quantity of a good that can be imported over a given period.