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MMLU-Pro / 9861 / Ultraviolet light of 300 nm wavelength strikes the surface of a material which…

Problem

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

question

Ultraviolet light of 300 nm wavelength strikes the surface of a material which has a work function of 2.0eV. What is the velocity of the electrons emitted from the surface?

category

physics

options

  1. 0.87 × 10^6 m/sec
  2. 0.72 × 10^6 m/sec
  3. 0.55 × 10^6 m/sec
  4. 0.40 × 10^6 m/sec
  5. 1.2 × 10^6 m/sec
  6. 1.5 × 10^6 m/sec
  7. 1.05 × 10^6 m/sec
  8. 0.95 × 10^6 m/sec
  9. 0.65 × 10^6 m/sec
  10. 1.8 × 10^6 m/sec

src

stemez-Optics

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Source and history

upstream_id / Original problem ID
9861
task_id
eb4a9b41-4fb7-5df0-9cd5-a9804005570c
task_key
default--test--9861
task_revision_id
1
config / split
default / test

Official source

initial import