A star of apparent magnitude 6 appears ___ times brighter than a star of apparent magnitude 7.
A) 1.00
B) 13.0
C) 2.51
D) 0.5
E) 10.0

Name: A star of apparent magnitude 6 appears ___ times brighter than a star of apparent magnitude 7. A) 1.00 B) 13.0 C) 2.51 D) 0.5 E) 10.0
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Question

Quizplus · Accepted Answer

The apparent magnitude scale is logarithmic, with a difference of 1 magnitude corresponding to a brightness ratio of approximately 2.51. Therefore, a star of magnitude 6 is 2.51 times brighter than a star of magnitude 7.

A Star of Apparent Magnitude 6 Appears ___ Times Brighter