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MMLU / An object is placed 10 cm in front of a diverging mirror. What is the focal…

Problem

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

question

An object is placed 10 cm in front of a diverging mirror. What is the focal length of the mirror if the image appears 2 cm behind the mirror?

choices

  1. -3/5 cm
  2. -5/3 cm
  3. -2/5 cm
  4. -5/2 cm

subject

high_school_physics

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Official source

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