Suppose Your Telescope Has Perfect Mirrors and Is Limited Only

question 6

Multiple Choice

Suppose your telescope has perfect mirrors and is limited only by diffraction.If you are viewing with light of 400 nm wavelength,what diameter mirror in a space telescope would have 1.0-km resolution of objects on Mars when viewed from above the earth at a time when the Earth-Mars distance of 80 million kilometers?

• A)39 km
• B)3.9 m
• C)3.9 km
• D)39 m
• E)390 m

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Definitions:

Quick Ratio

A financial metric that measures a company's ability to meet its short-term obligations with its most liquid assets; also known as the acid-test ratio.

Current Assets

Assets that are expected to be converted into cash or used up within one year or one business cycle, whichever is longer.

Current Liabilities

Short-term financial obligations due within one year, such as accounts payable and short-term loans.

TIE

The Times Interest Earned (TIE) ratio is a financial metric that measures a company's ability to meet its debt obligations based on its current income.