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Set RM2 – Plane Mirror Images

Problem
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Assignment Overview

Understand geometric relationships associated with the images formed up objects placed in front of plane mirrors. 

 1. RM2Q1
Points: 0/1

Anna Litical is doing the Plane Mirror Lab in physics class. She places a pin a distance of 4.5 cm from a plane mirror. How far behind the mirror can the image be expected to appear?

  1. Image Distance

    cm

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 2. RM2Q2
Points: 0/1

Baldwin Young stands 72 cm from his dresser mirror, inspecting his scalp. How far is the image of his scalp located from his scalp?

  1. Object-to-Image Distance

    cm

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 3. RM2Q3
Points: 0/2

An object is positioned a distance of 5.8 m from a plane mirror. Determine the …

  1. … distance the image is located from the plane mirror.

    Image Distance

    m

  2.  … distance the image is located from the object.

    Object-to-Image Distance

    m

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 4. RM2Q4
Points: 0/1

If an object is located a distance of 4.1 m from a plane mirror, then the image will be located a distance of _____ m from the object.

  1. Object-to-Image Distance

    m

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 5. RM2Q5
Points: 0/3

A meter stick (object) is placed in an upright position in front of a vertically-aligned plane mirror as shown. Like the meter stick, the mirror is equiped with cm-markings. The image of the meter stick is equidistant from the mirror. Suppose that the meter stick is equipped with a working eyeball capable of viewing the top and the bottom of its image. The eyeball is located at the 84-cm mark on the meter stick. Using some geometry, determine …

  1. the location (from 0 cm to 100 cm) of the intersection of the eye's line of sight with the mirror as the eyeball sights at the top of the image.

    Sighting Loc'n (top)

    cm

  2. … the location (from 0 cm to 100 cm) of the intersection of the eye's line of sight with the mirror as the eyeball sights at the bottom of the image.

    Sighting Loc'n (bottom)

    cm

  3. … the amount of mirror (in cm) required by the meter stick to view the image.

    Am't of Mirror Needed

    cm

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