A) 2
B) 3
C) 1.5
D) None of these
Correct Answer: C
Solution :
\[\tan \theta =\frac{{{F}_{e}}}{V\rho g}=\frac{{{F}_{e}}/k}{V\,(\rho -\sigma )g}\] |
\[\Rightarrow \] \[k=\frac{\rho }{\rho -\sigma }=\frac{2.4}{2.4-0.8}=1.5\] |
Ans. \[k=\frac{\rho }{\rho -\sigma }=\frac{2.4}{2.4-0.8}=1.5\] |
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