A) 1.5m
B) 1.5cm
C) 7.5 cm
D) 7.5m
Correct Answer: A
Solution :
Distance covered in n revolution\[=n2\pi r=n\pi D\] \[\Rightarrow \] \[2000\pi D=9500\] [As \[n=2000\]distance \[=9500\,m\]] \[\Rightarrow \] \[D=\frac{9500}{2000\times \pi }=1.5\,m\]
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