28. A ray of light strikes a polished surface at an angle of 37. What is the angle of reflection and location of the reflected ray? 29. Two flat mirrors are perpendicular to each other as shown in the figure. An incoming beam of light makes an angle of 15' with the first mirror. What angle will the outgoing beam make with the second mirror? 30. The angle between a horizontal ruler and a vertical plane mirror is 30. What is the angle between the ruler and its image? 31. When you see a "wet spot" mirage on the road in front of you, what are you most likely seeing? 32. White light goes through a filter that can absorb blue light; what color of light can pass through as perceived by an observer? 33. For you to see a rainbow, where should the sun be positioned