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MMLU-Pro / 3638 / An electron is accelerated in an electron microscope from rest through a…

Problem

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

question

An electron is accelerated in an electron microscope from rest through a potential difference Δϕ=100kV\Delta \phi=100 \mathrm{kV} and acquires an energy of eΔϕe \Delta \phi. What is its final speed?
Plain-text mathematical notation (without MathML)
An electron is accelerated in an electron microscope from rest through a potential difference Δϕ=100kV and acquires an energy of eΔϕ. What is its final speed?
Original LaTeX notation
An electron is accelerated in an electron microscope from rest through a potential difference $\Delta \phi=100 \mathrm{kV}$ and acquires an energy of $e \Delta \phi$. What is its final speed?

category

chemistry

options

  1. 2.10 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  2. 2.50 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  3. 1.40 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  4. 1.95 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  5. 1.70 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  6. 2.20 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  7. 2.00 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  8. 1.88 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  9. 1.20 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$
  10. 2.35 $10^8 \mathrm{~m} \mathrm{~s}^{-1}$

src

scibench-matter

Discussion

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Source and history

upstream_id / Original problem ID
3638
task_id
35256b4c-22df-5ce0-94cd-55dd41ecf3a6
task_key
default--test--3638
task_revision_id
1
config / split
default / test

Official source

initial import