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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
One fermi is $...$
  • ✓
    ${10^{ - 13}} \,cm$
  • B
     ${10^{ - 15}}\, cm$
  • C
    ${10^{ - 10}}\, cm$
  • D
    ${10^{ - 12}}\,  cm$
✓

Answer

Correct option: A.
${10^{ - 13}} \,cm$
a
one fermi $=\frac{10^{-15}}{100}=10^{-13} \,cm$

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