A light bounces off the surface of a metal cup and shines in Harold’s eyes. Which best describes what is happening to the light waves in this scenario? absorption
interference
refraction
reflection

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.

The answer is orbit around nucleus