Determine the Amount of Energy Carried in L

question 34

Multiple Choice

Determine the amount of energy carried in l.0 m of a 3.5-mW He-Ne laser beam if the cross-sectional area of the beam is 5.0 x 10^-6 m².

• A)0.012 J
• B)4.1 x 10^-8 J
• C)1.2 x 10^-11 J
• D)1.0 J

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Definitions:

Railroad Construction

The process of building the physical infrastructure necessary for train travel, including tracks, stations, and associated facilities.

Stephen Douglas

A 19th-century American politician from Illinois known for his debates with Abraham Lincoln and advocacy for popular sovereignty in determining states' positions on slavery.

Lincoln-Douglas Debates

Series of senatorial campaign debates in 1858 focusing on the issue of slavery in the territories; held in Illinois between Republican Abraham Lincoln, who made a national reputation for himself, and incumbent Democratic senator Stephen A. Douglas, who managed to hold on to his seat.