This textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36), edition: 4. The answer to “A laser emits 1.0 * 1019 photons per second from an excited state with energy E2 = 1.17 eV. The lower energy level is E1 = 0 eV. a. What is the wavelength of this laser? b. What is the power output of this laser?” is broken down into a number of easy to follow steps, and 45 words. The full step-by-step solution to problem: 41.57 from chapter: 41 was answered by Patricia, our top Physics solution expert on 12/28/17, 08:06PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 42 chapters, and 4463 solutions. Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) was written by Patricia and is associated to the ISBN: 9780134081496. Since the solution to 41.57 from 41 chapter was answered, more than 220 students have viewed the full step-by-step answer.