This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: PHY2054 Section 07HB Quiz 9: Ch 23 November 15, 2011 NAME UFID Show all your work step by step. 1. A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When he looks into one side ( side A ) of the hubcap, he sees an image of his face 40.0 cm in back of it. He then turns the hubcap over (side B ), keeping it the same distance from his face. He now sees an image of his face 20.0 cm in back of the hubcap. (a) Are those images virtual or real? Upright or inverted? (1/5) (b) How far is his face from the hubcap? (1/5) (c) What is the radius of curvature of the hubcap? (0.5/5) Solution: This is Prob 12. (a) i. side A: in back ⇒ upright, virtual. ii. side B: in back ⇒ upright, virtual. (b) First, let’s review some basic properties of images formed by convex and concave mirrors. i. For a concave mirror, 1 p + 1 q = 2 R , where R > ....
View Full Document