How Long Does It Take Light to Travel Across the Width

question 34

Multiple Choice

How long does it take light to travel across the width of a Pb nucleus of radius 7.1 fm?

• A) 2.4 × 10^-23 s
• B) 1.2 × 10^-23 s
• C) 2.4 × 10^-20 s
• D) 4.7 × 10^-23 s
• E) None of the above.

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Definitions:

Kingsley Davis

A prominent American sociologist and demographer known for his theories on population and societal development.

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