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Class 11 NEET Physics Physical World, Units and Measurements

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Question : 3

Total: 70

Consider the diameter of a spherical object being measured with the help of a Vernier callipers. Suppose its 10 Vernier Scale Divisions (V.S.D.) are equal to its 9 Main Scale Divisions (M.S.D.). The least division in the M.S. is 0.1 cm and the zero of V.S. is at x=0.1‌cm when the jaws of Vernier callipers are closed.

If the main scale reading for the diameter is M=5‌cm and the number of coinciding vernier division is 8 , the measured diameter after zero error correction, is

4.98 cm
5.00 cm
5.18 cm
5.08 cm

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