1.

The main scale readings of a vernier calipers (1 M.S.D. = 1 mm) having least count 0.01 cm for the internal and external diameters of a hollow tube are 11 mm and 12 mm. The minimum thickness of the tube is _____. (a) 1 mm (b) 0. 1 mm (c) 0.05 mm (d) 0.5 mm

Answer»

0.1mm

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