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Set RM11 – Convex Mirrors 3

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Assignment Overview

Use the mirror and magnification equations and an understanding of sign conventions to solve concave mirror word problems. Many problems require complex algebraic manipulations.

 1. RM11Q1
Points: 0/1

A shiny bauble (ornament) hangs on Mr. H's Christmas tree. The bauble has a radius of 5.36 cm. Matthew looks into the bauble and observes an image of his face which is 1/6th the size of his face. How far from the bauble is Matthew's face?

  1. Object Distance

    cm

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 2. RM11Q2
Points: 0/1

An object is placed 24.7 cm from the surface of a convex mirror. Its virtual image is located 13.0 cm behind the mirror. Determine the focal length of the convex mirror. Enter a – answer if appropriate.

  1. Focal Length

    cm

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 3. RM11Q3
Points: 0/1

The focal point of a convex mirror is located 17.2 cm from the mirror surface. An image is formed 6.08 cm from the mirror surface. Give caution to all +/- signs and determine the object distance (in cm). 

  1. Object Distance

    cm

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 4. RM11Q4
Points: 0/1

A convex mirror has a focal length of -39.9 cm. For what object distance will an image be produced that is one-half the size of the object?

  1. Object Distance

    cm

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 5. RM11Q5
Points: 0/1

A virtual image is formed by a convex mirror having a radius of curvature of -25.2 cm. The image is 1/6th the size of the object. Determine the object distance (in cm).

  1. Object Distance

    cm

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 6. RM11Q6
Points: 0/1

An ice cream cone is positioned at a location that is 15.1 cm from a convex mirror. The mirror produces an image of the ice cream cone that is 1/3 the size as the cone. Determine the radius of curvature (in cm) of the mirror.

  1. Radius of Curvature

    cm

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 7. RM11Q7
Points: 0/1

A convex mirror is used on a blind corner. The mirror has a focal length of -5.29 m. A car is located 13.7 m from the mirror. How far (in m) behind the mirror will the image of the car appear to be? (Enter as a positive value.)

  1. Image Distance

    m

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