Question

please answer according to the points
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Answer 1

Answer:

∆l=0.5mm

N=100÷isions

zero corrections=2divisions reading=measured value+zero correction

=(8×0.5)mm+(83-2)×0.5/100

=4mm+81×0.5/100

=4.405mm

So 2nd option is correct ...

Explanation:

10 thanxxx = 10 thanxx + follow .............

.15 thanxx = 20 thanxx + follow ..

Answer 2

Answer :

option (2) 4.405 mm .