Concept explainers
The laser light running around their labs covers one foot in a nanosecond; this fact is to be checked.
Answer to Problem 54A
The rule of thumb is verified which states that the laser light running around their labs covers one foot in a nanosecond.
Explanation of Solution
According to the definition of light
And
So, the
By the definition, one foot is equal to 12 inches. So, light travels one foot in one nanosecond approximately.
Conclusion:
The light travels one foot in one nanosecond.
Chapter 27 Solutions
Conceptual Physics: The High School Physics Program
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