The diameter of a thin wire can be measured by :

The diameter of a wire as measured by a screw gauge was found to be 1.002 cm, 1.000 cm, 1.006 cm .The absolute error in the second reading is

In searle's experiment, the diameter of the wire, as measured by a screw gauge of least count 0.001 cm is 0.500 cm. The length, measured by a scale of least count 0.1cm is 110.0cm. When a weight of 40N is suspended from the wire, its extension is measured to be 0.125 cm by a micrometer of least count 0.001 cm. Find the Young's modulus of the meterial of the wire from this data.

The diameter of a wire is measured to be 0.0250 xx 10^(-4) m. The number of significant figures in the measurement is

A screw gauge with a pitch of 1 mm has 100 divisions on its circular scale. What it is used to measure the diameter of a thin wire, the main scale reading is 3 mm and the circular scale reading is 45. If D is the diameter of the wire in mm, then find the value of D.

The length of a wire is measured with a metre scale having least count 1mm . Its diameter is measued with a vernier calipers of least count 0.1mm . Given that length and diameter of the wire are measured as 5cm and 4mm , the percentage error in the calculated value of volume of the wire will be

The diameter of a wire is measured with a screw gauge having least count 0.01 mm . Out of the following the one which correctly expresses its diameter is

The diameter of a wire is measured as 0.25 cm using a screw gauge of least count 0.005 cm. The percentage error is

The stability of a nucleus can be measured by

The mean diameter of a thin brass rod is to be measured by a vernier calipers. Why is a set of 100 measurements of the diameter expected to yield a more reliable estimate than a set of 5 measurements only?

If the least count of a screw gauge is 0.001 cm and diameter of a wire measured by it is 0.236 cm, find the permissible percentage error in the measurement.