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Module 4: Images in Mirrors and Lenses

Quiz by Ann Gabrielle Villaseñor

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7 questions
Show answers
  • Q1

    In the figure at the right, which ray(s) will pass through the primary focus after refraction?

    Question Image

    A. Ray 1

    D. Ray 1 and 2

    C. Ray 3

    B. Ray 2

    30s
  • Q2

    What will happen to an incident ray passing the optical center?

    B. It will reflect parallel its axis

    D. It cannot be determined.

    B. It will continue its path because there will be no refraction.

    A. It will move towards the secondary focus or follow the path along the secondary focus.

    30s
  • Q3

    Which best describes the image for  convex lens that forms whenever the object is at the center of curvature?

    B. Smaller, upright, virtual

    A. Enlarged, inverted, real

    C. Enlarged, upright, virtual

    D. Same size, inverted, real

    30s
  • Q4

    Located along the principal axis. Depends on the type of lens – for a convex lens, it is on the same side with the object and for a concave lens, it is on the opposite side of the object.

    C. Primary Focus (F)

    D. Secondary Focus (F’)

    B.  Principal Axis

    A. Optical Center (O)

    30s
  • Q5

    Which best describes the image for concave lens that forms whenever the object is between F' and C? 

    B. Smaller, upright, virtual

    A. Enlarged, inverted, real

    C. Enlarged, upright, virtual

    D. Smaller, inverted, real

    30s
  • Q6

    A magnifying glass (convex lens) is used to increase the size of a small object. What is the image distance if a 5.0-cm focal length magnifying glass is placed 2.0 cm away from a 1.5 cm rice grain?

    A. 3.3 cm 

    C. 2.1 cm

    B. -2.5 cm 

    D. -3.3 cm 

    30s
  • Q7

    A magnifying glass (convex lens) is used to increase the size of a small object. What is the image height if a 5.0-cm focal length magnifying glass is placed 2.0 cm away from a 1.5 cm rice grain? 

    C. 2.5 cm

    D. 6.4 cm

    A. -4 cm

    B. -3.9 cm

    30s

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