A) 1.33 mm
B) 1.33 cm
C) 2.66 mm
D) 2.66 cm
Correct Answer: A
Solution :
\[l=\frac{FL}{AY}=\frac{4.8\times {{10}^{3}}\times 4}{1.2\times {{10}^{-4}}\times 1.2\times {{10}^{11}}}=1.33\ mm\]You need to login to perform this action.
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