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7. The Young’s modulus of the material of a wire is

The Young’s modulus of the material of a wire is 6×10¹² N/m² and there is no transverse strain in it, then its modulus of rigidity will be

(a) 3×10¹² N/m² (b) 2×10¹² N/m²

(c) 10¹² N/m² (d) None of the above

Answer-a

(18)

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