The operation of a vernier caliper is shown in this .gif (Links to an external s
ID: 1441967 • Letter: T
Question
The operation of a vernier caliper is shown in this .gif (Links to an external site.)file. (If the file does not work, you can go the original link athttp://en.wikipedia.org/wiki/File:Using_the_caliper_new_en.gif (Links to an external site.)) You should carefully watch the animation. The first two decimal places are found where the 0 reading of the vernier scale falls on the main scale. In the animation, the 0 falls between the 2.4 and 2.5 marks. The next significant digit is read from where a mark on the vernier scale lines up with a mark on the main scale. In the animation, that position is 0.07. The hexagonal nut is 2.47 cm across.
The vernier caliper above is calibrated in cm. What is its reading (in cm)?
Explanation / Answer
Least count of vernier is 0.01 cm
from figure 8th reAding of vernier is coinciding with main scale reading
therefore
Reading = 2.4 + (LC x8)
Reading = 2.4 +0.08
Reading = 2.48 cm ( answer)
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