Question
The Young’s modulus for steel is Y = 2 x 10¹¹ N /m² . If the inter-atomic distance is 3.2Å, the inter atomic force constant in N/ Å will be
Options :
6.4 x 10⁹
6.4 x 10⁻⁹
3.2 x 10⁹
3.2 x 10⁻⁹
Answer :
6.4 x 10⁻⁹
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