A) \[0.001\text{ }cm\]
B) \[0.002\,\,cm\]
C) \[~0.01\text{ }cm\]
D) \[0.02\,\,cm\]
Correct Answer: B
Solution :
Least count of vernier calliper \[LC=1\,MSD-1\,VSD\] where, MSD = Main Scale Division VSD = Vernier Scale Division \[=0.5\,\,mm-\frac{24}{25}MSD\] \[=0.5\,\,mm-\frac{24}{25}\times 0.5\,mm\] \[=0.5\,\,m\left( 1-\frac{24}{25} \right)=0.5\,mm\times \frac{1}{25}\] \[=\frac{1}{50}mm\,=0.02mm=0.002cm\]
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