Approximately how long does it take for light to travel one foot?
A) 1 ms
B) 1 $\mu$s
C) 1 ns
D) 1 ps
E) 1 fs

Name: Approximately how long does it take for light to travel one foot? A) 1 ms B) 1 $\mu$s C) 1 ns D) 1 ps E) 1 fs
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Question

Quizplus · Accepted Answer

The speed of light is approximately 299,792,458 meters per second. Therefore, to travel one foot (0.3048 meters), it would take approximately 1/299,792,458/0.3048 = 1.002 nanoseconds. This makes choice C the best choice.

Approximately How Long Does It Take for Light to Travel μ\muμ

Approximately How Long Does It Take for Light to Travel $\mu$