If the ratio of lengths, radii and Young’s modulus of steel and brass wires shown in the figure are and , respectively. The ratio between the increase in lengths of brass and steel wires would be |
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a) |
b) |
c) |
d) |

If the ratio of lengths, radii and Young’s modulus of steel and brass wires shown in the figure are and , respectively. The ratio between the increase in lengths of brass and steel wires would be |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

Given, Let Young’s modulus of steel be , and that of brass be …(i) and …(ii) Dividing Equation (i) by Equation (ii), we get …(iii) Force on steel wire from free body diagram Newton Force on brass wire from free body diagram Newton Now, putting the value of in Equation (iii), we get |

127 votes

127