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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Units and Measurement
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Q)

In an experiment the angles are measured using an instrument where $29$ divisions of main scale exactly coincide with $30$ division of vernier scale.If the smallest division in main scale is half a degree, then the least count of the instrument is

(a)half minute (b)one degree (c)half degree (d)one minute

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