The length of a cylinder is measured with the help of a vernier callipers whose nine divisions of the main scale are equal to ten divisions of the vernier scale. Smallest division on the main scale is 
. It is observed that zero of vernier scale has just crossed the 78th division of the main scale and its fourth division coincides with any main scale division. The length of the cylinder is :-
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
and observed reading
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