benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--9190▌ posts · files
MMLU-Pro / 9190 / A laser emits a monochromatic light beam, of wavelength …
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A laser emits a monochromatic light beam, of wavelength \lambda, which falls normally on a mirror moving at velocity V. What is the beat frequency between the incident and reflected light?
category
physics
options
- v / λ
- 2vλ / c
- λ / 2v
- 4v / λ
- v / c
- 2v / λ
- 3v / λ
- c / 2v
- vλ / c
- v / 2λ
src
stemez-Physics
Discussion
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Source and history
- upstream_id / Original problem ID
- 9190
- task_id
40b9404f-8daf-5635-b751-91b44ff8b21c- task_key
default--test--9190- task_revision_id
- 1
- config / split
- default / test
initial import