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MMLU / A convex lens of focal length f = 0.2 m is used to examine a small coin lying on…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A convex lens of focal length f = 0.2 m is used to examine a small coin lying on a table. During the examination, the lens is held a distance 0.3 m above the coin and is moved slowly to a distance of 0.1 m above the coin. During this process, what happens to the image of the coin?

choices

  1. The image continually increases in size.
  2. The image continually decreases in size.
  3. The image gets smaller at first and then bigger in size.
  4. The image flips over.

subject

high_school_physics

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Source and history

Official source

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