Multiple Choice
Approximately how long does it take light to travel from the fingertips of your extended arm to your eye?
A) zero time because light is transmitted instantaneously
B) 2.5 trillionths of a second (2.5 × 10-¹² sec)
C) 2.5 billionths of a second (2.5 nanoseconds)
D) 2.5 millionths of a second (2.5 microseconds)
Correct Answer:
Verified
Correct Answer:
Verified
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