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11.White light is actually a combination of several different______of light traveling together.
12.Compared to sound, light travels:
13.Light travels in straight paths called:
14.light that bounces off an object is
15.Which would light travel through fastest?
16.Which of the following sentence uses work in the scientific sense.
17.In which of the following cases is no work done?
18.Energy transferred as heat occurs between two bodies in thermal contact when they differ in which of the following properties?
19.When the net force us equal to zero the forces are said to be_____.​