Question

The speed of light passing through water is 2.25% 10^8 meters/second. The speed of light passing through a diamond is 1.23x 10^8 meters/second What is the difference of the two speeds?

Answer 1

1.02 * 10^8.

Explanation:

2.25 * 10^8 - 1.23 * 2.25

= (2.25 - 1.23)* 10^8

= 1.02 * 10^8 (answer)

Answer 2

1.02 * 10^8.

Explanation:

2.25 * 10^8 - 1.23 * 2.25

= (2.25 - 1.23)* 10^8

= 1.02 * 10^8 (answer)