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MMLU-Pro / 10277 / A thin lens of focal length 10 inches in air and refractive index 1.53 is…

Problem

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

question

A thin lens of focal length 10 inches in air and refractive index 1.53 is immersed in water (n = 1.33). What is its focal length in water?

category

physics

options

  1. 20.8 inches
  2. 45.2 inches
  3. 50 inches
  4. 10 inches
  5. 15 inches
  6. 25.2 inches
  7. 18.4 inches
  8. 35.2 inches
  9. 12.6 inches
  10. 30 inches

src

stemez-Optics

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Official source

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