Let’s take a look at the Chapter 9 of Physics of Grade 11 “Physical Optics”. To watch the full chapter, click the link below: https://www.youtube.com/playlist?list=PLhVq_Uq8AfHUVI5OfzC5ARlT3YtOj3EDk The important topics covered in this chapter include, Huygen’s Principle, Interference of Light Waves, Constructive Interference, Destructive Interference, Michelson’s Interferometer, Diffraction,Bragg’s Law, Polarization. #physics #physicaloptics #constructiveinterference #huygenprinciple #lightwave