HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD ELECTRONIC LIGHTING STORE

The research of light is recognized as optics. When light hits an opaque object, it tends to make a shadow. When light hits a clear object, it passes by it Practically absolutely without producing a shadow.Concept check: What would you assume to occur for the frequency of the light wave if its wavelength have been enhanced by a factor of ten‍ ?e