A) 1
B) 2
C) 3
D) 4
Correct Answer: D
Solution :
\[\rho \,=\frac{M}{\pi {{R}^{2}}L}\] \[\frac{\Delta \rho }{\rho }\,\times 100\,=\left[ \frac{\Delta M}{M}\,+2\frac{\Delta R}{R}+\frac{\Delta L}{L} \right]\,\times 100\]= 4 %You need to login to perform this action.
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