a vernier calipers has positive zero error of 0.05 mm while finding the diameter of a cylinder, the msr is 9mm and the vcd is 9 if the least count of the vernier callipers is 0.1mm the area of cross section of the cylinder is ___ Mili metre square
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Zero error=0.05mm.
Zeroc=-0.05mm
MSR=9mm
VCD=9
LC=0.1mm
Diameter=9.85mm
Radius=9.85/2mm
Area of cross-section=πr²=22/7×(9.85/2)²
=76.2mm²
Hope it's helpful..
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