Micrometer Screw Gauge - Thinkness 100 Pieces Of Paper

Diagram above shows a micrometer screw gauge used to measure the thinkness of 100 pieces of paper.

Rajah di atas menunjukkan tolok skru mikrometer yang digunakan untuk mengukur ketebalan 100 helai kertas.

What is the thickness of one piece in mm?

Berapakah ketebalan sehelai kertas dalam mm?

A   0.0482

B   0.0432

C   4.32

D   4.82

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Answer 

A

Micrometer Screw Gauge Measurement,

4.50 mm + 0.32 mm

The thickness of one piece ,