How Many Photons Per Second Emerge from a Laser of Power

question 1

Multiple Choice

How many photons per second emerge from a laser of power 2.00 mW with wavelength 605 nm?
(c = 3.00 × 10⁸ m/s, h = 6.626 × 10^-34 J ∙ s)

• A) 6.09 × 10¹⁵ photons/s
• B) 5.03 × 10¹² photons/s
• C) 3.07 × 10¹⁵ photons/s
• D) 3.07 × 10¹³ photons/s

---

Definitions:

Street Racers

Individuals who participate in unauthorized and often illegal racing of motor vehicles on public roads.

Nash Equilibrium

A concept within game theory where each player's strategy is optimal given the strategies of all other players, and no player has anything to gain by changing only their own strategy.

Simultaneous Game

A strategic game where all players make their decisions at the same time, often used in the context of game theory to analyze competitive situations.

Shoplifter

An individual who steals goods from a retail establishment.