Question

while measuring the length of a chord with a vernier calipers fig. 1.14
below shows that position of its scale what is the length of the rod ?​

Answer 1

From the figure, 0 of vernier callipers has gone past 3+0.3=3.3cm of main scale. Also, 6

th

division line of vernier scale matches with line of main scale.

So, total reading is 3.3+6×0.01=3.36cm

Explanation:

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