Optics Question 496
Question: Two stars situated at distances of 1 and 10 light years respectively from the earth appear to possess the same brightness. The ratio of their real brightness is
[NCERT 1981]
Options:
A) 1 : 10
B) 10 : 1
C) 1 : 100
D) 100 : 1
Show Answer
Answer:
Correct Answer: C
