PhySci Chapter 20

Match it! Select the correct answer from the pull down...Good luck!

an object that emits light waves

the measure of how bright the light from a light source is

the metric unit of light intensity

the distance from a lens to its principle focus (the point at which all the rays converge)

the angle of incidence must be equal to the angle of reflection

electromagnetic radiation of any wavelength, usually used in relation to the visible portion of the spectrum

an object that reflects light rays

the return of waves after they strike a surface