2. When light travels through a small hole, it appears to an observer that the light spreads out, blurring the outline of the hole. Does this observation support the
theory of light as a wave, or light being made of particles? Explain. (3 points)

Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.

Work = force × a. work b. energy c. distance d. momentum

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next