A laser beam emits 2.5 $\times$ 10²⁰ photons per second with a wavelength of 663 nm.What is the power output of this laser? A) 51 mW B) 67 mW C) 51 W D) 75 W E) 93 W

Question

Quizplus · Accepted Answer

The Answer of A laser beam emits 2.5 $\times$ 10²⁰ photons per second with a wavelength of 663 nm.What is the power output of this laser? A) 51 mW B) 67 mW C) 51 W D) 75 W E) 93 W

A Laser Beam Emits 2 ×\times× 1020 Photons Per Second with a Wavelength of 663 Nm

A Laser Beam Emits 2 $\times$ 10²⁰ Photons Per Second with a Wavelength of 663 Nm