Question

1
6. The diameter of a wire of length 100 cm is
measured with the help of a screw gauge.
31
The main scale reading is 1mm and circular
7
scale reading is 25. Pitch of the screw gauge
is 1 mm and the total number of divisions
8
on the circular scale is 100. The wire is used
in an experiment for determination of
Young's modulus of the wire by searle's
method. The following data are available:
fon
elongation in the wire Al=0.125 cm under 1
the tension of 50N, least count for
measuring normal length of wire is 0.01 cm
1
and for elongation in the wire is 0.001 cm.
The maximum error in calculating the
4.
ele
8x 1%,
A
well
value of Young's modulus (Y) is
10
where n is very nearly an integer. Find the
value of n. (Assuming that the force is
measured very accurately)
4​

Answer 1

Answer:

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