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In which of the following instruments is zero error not taken into account for measurements?(a) Slide callipers (b) Screw gauge (c) Spherometer(d) Correction for zero error has to made in all of the above. |
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Answer» Correct Answer is: (c) Spherometer In a spherometer, the zero position is of little consequence. Readings are taken by the number of rotations and the difference between the initial and final readings on the circular scale. |
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