Physics · 2013
NEET 2013 · 18 May · Code Y · Q132
If the ratio of diameters, lengths and Young's modulus of steel and copper wires shown in the figure are p, q and s respectively, then the…
If the ratio of diameters, lengths and Young's modulus of steel and copper wires shown in the figure are p, q and s respectively, then the corresponding ratio of increase in their lengths would be :
Official answer
(4)
$\displaystyle \frac{7 q}{\left(5 s p^2\right)}$
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NEET (UG) 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.