A) 0.8
B) 0.6
C) 0.4
D) 0.2
Correct Answer: A
Solution :
\[\log \left( \frac{x}{m} \right)=\log \,k+\frac{1}{n}\log \,p\] Given, \[\log \,k=0.3010=\] intercept on y-axis and \[\frac{1}{n}=\tan {{45}^{o}}=1=\] slope \[\therefore \] \[\log \left( \frac{x}{m} \right)=0.3010+1\times \log \,0.2\] \[=\log 2+\log \,0.2\] \[=\log \,0.4\] \[\therefore \] \[\frac{x}{m}=0.4\]
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