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MMLU-Pro / 10316 / Acompressionalwave of frequency 250/sec is set up in an iron rod and passes from…

Problem

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

question

Acompressionalwave of frequency 250/sec is set up in an iron rod and passes from the rod into air. The speed of the wave is 1.6 x 10^4 ft/sec in iron and 1.1 x 10^3 ft/sec in air. Find the wavelength in each material.

category

physics

options

  1. 70 ft in iron, 3.5 ft in air
  2. 68 ft in iron, 4.8 ft in air
  3. 60 ft in iron, 5 ft in air
  4. 80 ft in iron, 4.0 ft in air
  5. 62 ft in iron, 4.2 ft in air
  6. 72 ft in iron, 5.5 ft in air
  7. 66 ft in iron, 4.6 ft in air
  8. 75 ft in iron, 3.9 ft in air
  9. 65 ft in iron, 4.5 ft in air
  10. 64 ft in iron, 4.4 ft in air

src

stemez-Physics

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Source and history

upstream_id / Original problem ID
10316
task_id
0d7eeccd-a2f6-55f8-b6ca-2591c6e4a03c
task_key
default--test--10316
task_revision_id
1
config / split
default / test

Official source

initial import