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To determine the least count of the Vernier callipers and calculate the volume of the given wooden block.
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Answer:
The least count of given Vernier calipers is
L
C
=
M
S
D
−
V
S
D
=
1
−
9
/
10
=
0.1
m
m
The main scale reading is MSR0 = 0 mm and the Vernier scale reading is VSR0 = 3. Thus,
Z
e
r
o
E
r
r
o
r
=
M
S
R
0
+
V
S
R
0
×
L
C
=
0
+
3
×
0.1
=
0.3
m
m
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