8.Mechanical Properties of Solids
medium

લોખંડનો યંગ મોડ્યુલસ $2 \times {10^{11}}\,N/{m^2}$ અને તેના બે અણું વચ્ચેનું અંતર $3 \times {10^{ - 10}}$$metre$ હોય તો આંતરઆણ્વિય બળ અચળાંક  ......... $N/m$ થાય .

A

$60$

B

$120$

C

$30$

D

$180$

Solution

(a) Interatomic force constant $K = Y \times {r_0}$

$ = 2 \times {10^{11}} \times 3 \times {10^{ – 10}} = 60\;N/m$

Standard 11
Physics

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