benchmarks.wiki / Public workspace

MMLU-Pro / 9570 / A camera objective of 50 mm focal length is set at aperture stop (f / 4). If the…

Problem

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

question

A camera objective of 50 mm focal length is set at aperture stop (f / 4). If the camera is then focused at an object 20 cm away what will the effective f-number be?

category

physics

options

  1. 7.1
  2. 9.4
  3. 4.0
  4. 3.8
  5. 5.33
  6. 6.7
  7. 4.5
  8. 6.2
  9. 8.0
  10. 5.0

src

stemez-Optics

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