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MMLU-Pro / 9862 / A crystal reflects 70% at the wavelength of its residual rays, and 4% at…

Problem

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

question

A crystal reflects 70% at the wavelength of its residual rays, and 4% at adjacent wavelengths. How many reflec-tions are necessary in order that the residual ray shall be 100 times as intense as the light of adjacent wave-lengths?

category

physics

options

  1. 9 reflections
  2. 5 reflections
  3. 8 reflections
  4. 3 reflections
  5. 1 reflection
  6. 10 reflections
  7. 7 reflections
  8. 6 reflections
  9. 2 reflections
  10. 4 reflections

src

stemez-Optics

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Source and history

upstream_id / Original problem ID
9862
task_id
5ce64b05-981c-5f5a-99a7-96419f412e92
task_key
default--test--9862
task_revision_id
1
config / split
default / test

Official source

initial import