A star has a surface temperature of 6000 K. Its spectrum registers a certain intensity in the green middle of the visible spectrum. Which of these must also be true of the star?
A) Violet is brighter than the green but the red is less intense.
B) Violet is less intense than the green but the red is more intense.
C) Violet and the red are both less intense than the green.
D) Violet and the red are both more intense than the green.

Question

Quizplus · Accepted Answer

According to Wien's Law, a star with a surface temperature of 6000 K will have its peak emission in the visible spectrum around the green. Therefore, both violet and red, being further from the peak, will be less intense than green.

A Star Has a Surface Temperature of 6000 K