PH-522

Parallax and zero errors

Physics · Secondary 3 · Medium · Parallax and zero errors

A student uses a vernier caliper with a zero error of

-0.04\,\text{cm}

(the zero of the vernier is to the left of the main scale zero). The reading shown for a rod is

2.36\,\text{cm}

on the scale.
What is the corrected length of the rod?

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