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MMLU-Pro / 10052 / 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?

category

physics

options

  1. The image continually decreases in size.
  2. The image shifts from left to right.
  3. The image flips over.
  4. The image disappears completely.
  5. The image gets bigger at first and then smaller in size.
  6. The image remains the same size.
  7. The image continually increases in size.
  8. The image gets smaller at first and then bigger in size.
  9. The image blurs and then comes back into focus.
  10. The image becomes inverted and decreases in size.

src

ori_mmlu-high_school_physics

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Source and history

upstream_id / Original problem ID
10052
task_id
18204f1c-5bb3-551b-8bb1-7bf038cca568
task_key
default--test--10052
task_revision_id
1
config / split
default / test

Official source

initial import