How Much Energy Is Contained in a 3

question 17

Multiple Choice

How much energy is contained in a 3.00-mW laser beam of length 2.00 m that moves through vacuum?

• A)2.00 * 10^-11 J
• B)1.80 * 10^-10 J
• C)2.00 * 10^-8 J
• D)1.80 * 10^-7 J

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Definitions:

Monthly Compounding

An interest calculation method where the accrued interest is added to the principal sum every month, leading to an increase in the amount of subsequent interest accruements.

Effective Rate

The actual interest rate earned or paid on an investment or loan, taking into account the compounding of interest.

Quarterly Compounding

Interest calculation that occurs four times a year, effectively increasing the amount of interest accrued over time.

Effective Rate

The interest rate on a loan or financial product that reflects the compounding periods in a year, presenting a true annual rate of return.