Q.

The speed of light in air is –

A. 3 x 10⁸ m/s
B. 3 x 10⁻⁸ cm/s
C. 8 x 10³ m/s
D. Infinity
Answer» A. 3 x 10⁸ m/s
Explanation: Speed of light (in Media) = Speed of Light (in Vacuum) / Refreactive Index of Material. Speed of light in air as taken generally is 3 X 10 power 8 meter per second.
2.3k
0
Do you find this helpful?
8

View all MCQs in

Physics

Discussion

No comments yet