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Light Travels at 3 ×\times 108 M/s,and the Size of a Proton Is About 1

Question 78

Multiple Choice

Light travels at 3 ×\times 108 m/s,and the size of a proton is about 1 fm.Calculate the order of magnitude for the time taken for light to pass across a proton.


A) 10-7 s
B) 10-8 s
C) 10-22 s
D) 10-23 s
E) 1023 s

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