One Star Has a Temperature of 30,000 K and Another

question 46

Multiple Choice

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?

• A) 5 times
• B) 25 times
• C) 8.1*10¹⁷ times
• D) 625 times
• E) 1.3*10¹⁵ times

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Definitions:

Wage Rate

The amount of compensation workers receive for their labor per unit of time, which can be hourly, daily, or annually basis.

Efficiency Wage

Wage that a firm will pay to an employee as an incentive not to shirk.

Shirking

The behavior of employees reducing their effort or productivity, especially when their work effort is unmonitored or difficult to measure.

Unemployment

The situation in which individuals who are capable of working and are actively seeking employment are unable to find a job.