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MMLU-Pro / 10197 / If the sensitive plate of a pinhole camera is 20 cm from the pinhole, what…

Problem

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question

If the sensitive plate of a pinhole camera is 20 cm from the pinhole, what should be the diameter of the pinhole, according to Abney's formula? Assume that the photographic film used has its highest sensitivity at a wavelength of 450 nm.

category

physics

options

  1. 0.45 mm
  2. 0.65 mm
  3. 0.57 mm
  4. 0.60 mm
  5. 0.50 mm
  6. 0.72 mm
  7. 0.30 mm
  8. 0.75 mm
  9. 0.40 mm
  10. 0.55 mm

src

stemez-Optics

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