27. A light wave traveling in air enters a glass prism, leading it to slow down and bend its path. What is this effect c
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27. A light wave traveling in air enters a glass prism, leading it to slow down and bend its path. What is this effect c
27. A light wave traveling in air enters a glass prism, leading it to slow down and bend its path. What is this effect called? (a) diffraction (b) refraction (c) interference (d) reflection 28. For a common bedroom door, the doorknob is placed as far away as possible from the hinges. Why is this a good idea? (a) it makes the torque from a person opening the door be zero (b) it minimizes the torque from a person opening the door (c) it maximizes the torque from a person opening the door
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