Light, Mirrors, and Lenses

 

  1. What is the only way that energy can travel in outer space?

  1.  The number of waves to pass a point in a given period of time is called ____.

  1. The measure of the amount of energy in a wave is called ____.

  1. The highest part of a wave is called _____.

  1. What is the name of the  distance from one crest to the next crest?

  1. Which color of light has the most energy?

  1. What is it called when wave bounces off an object ?

  1. What is it called when a wave bends due to a change in its speed?

  1. What is the name for the spreading of a wave caused by the wave passing through a small opening?

  1. Which color light has the longest wavelength?

  1. The unit used to measure the volume of a sound it the ____.

  1. An echo is an example of ______.

  1. A pencil in a glass of water looks bent.  This is due to ______.

  1. According to the Law of Reflection if light hits a plane mirror at a 30 degree angle it will reflect at a _____ degree angle.

  1. A convex mirror used for security in stores makes objects look _____.

  1. A mirror that magnifies objects is a ______ mirror.

  1. Objects in a cars side view mirror appear smaller than they should.  What type of mirror is used ?

  1. This type of lens is used to make objects look larger?

  1. This type of light is a beam of coherent light.  It is all one frequency or color.

  1. A particle of radiant wave energy is a(n)______.