Visible Light from an Ordinary Source Such as a Sodium

question 52

Multiple Choice

Visible light from an ordinary source such as a sodium lamp can be used to produce interference effects that demonstrate the wave nature of light,provided that

• A)the light beam from the single source is split into two (or more)beams that have a constant phase relationship to one another.
• B)the light is polarized.
• C)the light is not polarized.
• D)Interference effects cannot be demonstrated with ordinary light sources.
• E)None of these conditions are satisfied.

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Definitions:

Marginal Private Benefit

Marginal Private Benefit is the additional benefit or satisfaction received by consumers or producers for consuming or producing one more unit of a good or service.

Marginal Private Cost

The cost incurred by a firm or individual resulting from producing one more unit of a good, excluding externalities or effects on third parties.

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External benefits refer to the positive effects or advantages that a product or activity imparts on individuals or society who are not directly involved in the production or consumption of the good.

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The effect on a user of a product or service that results from an increase in the number of other users of the same or compatible products or services.