A laser produces 20.0 mW of red light. In 1.00 hr. the
Chapter 7, Problem 91E(choose chapter or problem)
A laser produces 20.0 mW of red light. In 1.00 hr, the laser emits 2.29 x 1020 photons. What is the wavelength of the laser?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer