What Is True of a Blackbody

question 54

Multiple Choice

What is true of a blackbody?

• A) Its energy is not a continuum.
• B) It has a complete absence of thermal energy.
• C) Its energy peaks at the wavelength determined by its temperature.
• D) If its temperature doubled, the peak in its radiation curve would be doubled in wavelength.
• E) It appears black to us, regardless of its temperature.

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Definitions:

Closed Economy

An economic system that does not interact with other economies in terms of trade, investment, or migration.

Closed Economy

An economic system that does not engage in international trade with outside countries and relies wholly on its own resources.

Loanable Funds

The funds available for borrowing in the financial markets, consisting of savings and sometimes bank loans that are available to be lent to businesses and individuals.

Interest Rate

The rate at which borrowers are charged for accessing assets, specified as a percentage of the original sum borrowed.