Back to course overview:Physics

Lesson 40 of 52 · Light and Optics

Spectra and Interference

CrashCourse8mVideoOptional

Interference patterns and diffraction gratings — how we know what distant stars are made of.

Optional — ticking this does not change your percentage.

Video not playing? Some channels disable embedding, and there is no way around it.Open on YouTubeinstead — then come back and mark it complete.