9. Quantum Mechanics
The Energy of Light
9. Quantum Mechanics The Energy of Light
21PRACTICE PROBLEM
A laser cutter can cut an acrylic board in 29.0 s. Calculate the number of photons used in cutting if the laser has a wavelength of 1064 nm and a power of 120 W.
A laser cutter can cut an acrylic board in 29.0 s. Calculate the number of photons used in cutting if the laser has a wavelength of 1064 nm and a power of 120 W.