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MMLU-Pro / 9155 / A concave and a convex mirror, each with a radius of 10 cm, face each other at a…

Problem

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question

A concave and a convex mirror, each with a radius of 10 cm, face each other at a distance of 20 cm apart from one another. Halfway between them is an object 3 cm high. Find the position and the size of the final image formed by reflection, first at the convex mirror and then at the con-cave mirror.

category

physics

options

  1. 5 cm in front of the mirror and 1/10 of the size of the original object
  2. 6.37 cm in front of the mirror and the same size as the original object
  3. 10 cm in front of the mirror and 1/7 of the size of the original object
  4. 8 cm in front of the mirror and 1/9 of the size of the original object
  5. 7 cm behind the mirror and 1/10 of the size of the original object
  6. 7 cm in front of the mirror and twice the size of the original object
  7. 7 cm in front of the mirror and 1/12 of the size of the original object
  8. 5 cm behind the mirror and 1/8 of the size of the original object
  9. 6.37 cm in front of the mirror and 1/11 of the size of the original object
  10. 6.37 cm behind the mirror and 1/11 of the size of the original object

src

stemez-Optics

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