Page 5 - 9-phy-1 Measurements

1.2 Determine the volume of a solid cylinder by
measuring its length and diameter with
vernier callipers.

Date ________________

ΠMeasure the length of the solid cylinder at

least three times using vernier calipers as !
given in experiment 1.1. Calculate the
average length. • Jaws of vernier
callipers should be
 Similarly, measure the diameter of the
closed gently.
cylinder at least three times and calculate the • Zero correction

average diameter. should be applied.

Ž Record the readings and calculate the • Both jaws should

volume of the cylinder by using formula touch the cylinder.

pr2L.

Least count (LC) = ……..mm = ……..cm

Zero error = .…………….. cm

Zero correction (ZC) = (±)....................... cm

Main No. of vernier Fraction to Observed Corrected value
be added value
The accuracy of vernier Quantity No. scale division = Y ± ZC
callipers can be enhanced of reading coinciding with X = n × LC Y=M + X
by increasing the number Obs. the MS division (cm)
of divisions on the vernier M (cm) (cm) L 1=
scale. n L2 =
L3 =
Length 1 D1 =
L 2 D2 =
3 D3 =
Diameter 1
D 2
3

Mean length = L = L1 + L2 + L3 = ………… cm
Mean diameter 3 = ………… cm

= D = D1 + D2 + D 3
3

Radius of the cylinder = r = D = ………… cm
2

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