Units and Measurements Part 1

Section: Physics

Question : 85 of 100

Marks: +1, -0

A student measured the length of a rod and wrote it as 3.50 cm.Which instrument did he use to measure it?

[Main 2014]

A screw gauge having 100 division in the circular scale and pitch as 1 mm
A screw guage having 50 division in the circular scale and pitch as 1mm
A meter scale
A vernier calliper where the 10 divisions in vernier scale matches with 9 division in main scale and main scale has 10 division in 1 cm

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