Arrays of Radio Telescopes Can Produce Much Better Resolution Than

question 28

Multiple Choice

Arrays of radio telescopes can produce much better resolution than single-dish telescopes because they work based on the principle of

• A) reflection.
• B) refraction.
• C) diffraction.
• D) interference.

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Definitions:

Investment Center

A business unit within an organization that is responsible for its own revenues, expenses, and investments, and is evaluated on its return on investment.

Operating Assets

Assets that are used in the daily operations of a business to generate revenue, such as machinery, buildings, and equipment.

Controllable Margin

The portion of income that remains after deducting controllable expenses, indicating the earning performance that management can influence.

Controllable Costs

Expenses that a manager or business has the power to influence or change in the short term.