1) A mirage is produced due to A) hot surfaces B)optical illusions of the mind due to extreme hot weather C)refraction from varying refractive index of the air above the ground D) reflection of light from clouds 2) It is difficult to see the roadway when driving on a rainy night, even, with your headlights on, mainly because A)the film of water on the roadway reduces 'diffused reflection' of light B)rain scatters light in all directions C)the film of water on your windshield provides an additional reflecting surface. D) Light scatters from raindrops and reduces the amount of light reaching your eyes. 3) To see his full height, Rowtowl who is 2 meter tall needs a mirror that has a minimum height of meters. 0.33 1 0.5 2 4) If a laser beam is shone into a stream of water, it appears to be bent because the laser beam A)bends and follows the curve of the stream B) scatters in random directions from the fiber's inner surface C)internally reflects in a succession of straight line paths D)provides an optical illusion of a virtual image