Which of the Following Is a Method for Measuring the Diameter

question 16

Multiple Choice

Which of the following is a method for measuring the diameter of a star?

• A) watching the body of the Moon go across the star
• B) getting the light curve of an eclipsing binary star
• C) comparing the color of a star seen high above our heads and then again when it's near the horizon
• D) measuring the spectrum of a spectroscopic binary
• E) more than one of the above

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Definitions:

Profit-maximizing

A strategy or condition where a firm adjusts its production to achieve the highest possible profit based on its costs and the market price.

Shut-down Point

The price and quantity point at which a business ceases operations because continuing would result in losses.

Economically Efficient

A situation where resources are allocated in a way that maximizes the net benefit to society or minimizes the cost of achieving a set output level.

Deadweight Loss

A loss of economic efficiency that can occur when equilibrium for a good or a service is not achieved or is not achievable.