**Category:** Quantum Physics  
**Subtype:** Photon Energy and Emission  
**Problem Description:** Calculate the number of photons emitted per second by a laser beam with a given wavelength and power.

**Key Information:**
- Wavelength of the laser light: \(0.45 \, \mu \text{m}\) (micrometers)
- Power of the laser: \(1.2 \, \text{W}\)

**Objective:** Find the number of photons emitted per second (in photons/s).