General Knowledge - Physics - Discussion

Discussion Forum : Physics - Section 1 (Q.No. 54)
54.
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
4.2 seconds
42 seconds
4.2 years
42 years
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Vivetha.h said:   1 decade ago
I need clear explanation than what you told.

Sarvanika said:   9 years ago
Thank you all for explaining the question.


Post your comments here:

Your comments will be displayed after verification.