For silver, Young's modulus is $7.25 \times {10^{10}}\,N/{m^2}$ and Bulk modulus is $11 \times {10^{10}}\,N/{m^2}$. Its Poisson's ratio will be
  • A$-1$
  • B$0.5$
  • C$0.39$
  • D$0.25$
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