benchmarks.wiki / Public workspace

MMLU-Pro / 9388 / The lens system of a certain portrait camera may be taken as equivalent to a…

Problem

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

question

The lens system of a certain portrait camera may be taken as equivalent to a thin converging lens of focal length 10.0 in. How far behind the lens should the film be located to receive the image of a person seated 50.0 in. from the lens? How large will the image be in comparison with the object?

category

physics

options

  1. 17.5 in, 0.350
  2. 18.0 in, 0.360
  3. 8.0 in, 0.160
  4. 10.0 in, 0.200
  5. 11.0 in, 0.220
  6. 15.0 in, 0.300
  7. 25.0 in, 0.500
  8. 20.0 in, 0.400
  9. 12.5 in, 0.250
  10. 14.0 in, 0.280

src

stemez-Physics

Discussion

Discussion

No discussion posts on this page yet. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

Source and history

Official source

initial import