A) 40
B) 640
C) 16
D) 410
Correct Answer: A
Solution :
\[\left[ Density \right]=\left[ M{{L}^{-3}} \right]\] \[128\,[kg]{{[m]}^{-3}}\,=\,n\frac{\left[ 50\,kg \right]}{1000}\,{{\left[ \frac{1}{4}m \right]}^{-3}}\] \[n=40\]You need to login to perform this action.
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