1.

Least count of a vernier callipers is `0.01 cm`. Using this, the diameter of a sphere is measured as `1.95 cm`. Radius of the sphere to the correct significant figure will beA. `0.98 cm`B. `0.975 cm`C. `1.0 cm`D. `1 cm`

Answer» Correct Answer - A
`"diameter" d=2r=1.95`
`r=(1.95)/(2)=0.975`
`=0.98 cm` (after rounding the figure)


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