A) 5 g
B) 30 g
C) 50 g
D) 300 g
Correct Answer: D
Solution :
\[Q=mL=KA\frac{({{\theta }_{1}}-{{\theta }_{2}})}{l}t\] \[\Rightarrow \] \[m=\frac{1}{L}\times KA\frac{({{\theta }_{1}}-{{\theta }_{2}})}{l}\times t\] \[=\frac{1}{80}\times 0.2\times 4\times \frac{(100-0)}{\sqrt{4}}\times 10\times 60\] \[(\because {{l}^{2}}=4\Rightarrow l=\sqrt{4})\] \[=\frac{0.2\times 4\times 100\times 600}{80\times 2}=300\,g\]You need to login to perform this action.
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