Final Exam Phy 111 Questions & Correct Solutions

Igneous Rock {Ans: rock formed by the solidification of molten magma}Wave Refraction {Ans: Change in wave direction due to a change in speed of the wave when entering a different material.}gram {Ans: a metric unit of mass equal to one thousandth of a kilogram}Electron {Ans: negatively charged particle; located outside the atomic nucleus}Newton's Law of Gravity {Ans: Law stating any two objects are attracted to each other; the magnitude of the attraction depends on the masses of the two objects and the distance between the two objects.}Quantum Theory of Light {Ans: This theory of light states that light consists of tiny bundles or packets of energy called photons}