A Helium-Neon Laser Emits Light at 632 $1.82 \times 10 ^ { 17 }$

question 42

Multiple Choice

A helium-neon laser emits light at 632.8 nm. If the laser emits $1.82 \times 10 ^ { 17 }$ photons/second, what is its power output in mW? (c = 3.00 × 10⁸ m/s, h = 6.626 × 10^-34 J ? s)

• A)57.2 mW
• B)28.6 mW
• C)37.2 mW
• D)45.7 mW

---

Definitions:

Widgets

Widgets are hypothetical, often simplified products or units used in economic and financial explanations and problems.

Total Revenues

The total money received by a company for goods sold or services provided during a certain time period.

Total Costs

The total amount of money spent on producing goods or services, encompassing both constant and fluctuating expenses.

Deadweight Loss

The loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is not achievable.