1. You see an upright magnified image of your face when you look into a magnifying cosmetic mirror.
a) Where is this is image? Is it in front of the mirror's surface, on the mirror's surface, or behind the mirror's surface? Explain. b) Is the image you see a virtual or real image? c) What kind of mirror is it? Concave or convex.
2. Consider one point on an object near a lens. a) What is the minimum number of rays needed to locate its image point? Explain. b)How many rays from this point actually strike the lens and refract to the image point?