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The mean distance between the atoms of iron is $3 \times {10^{ - 10}}m$ and interatomic force constant for iron is $7\,N\,/m$The Young’s modulus of elasticity for iron is
  • A$2.33 \times {10^5}\,N/{m^2}$
  • B$23.3 \times {10^{10}}\,N/{m^2}$
  • C$233 \times {10^{10}}\,N/{m^2}$
  • D$2.33 \times {10^{10}}\,N/{m^2}$
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