What error does a vernier calliper have when zero mark of the vernier calliper Does not co incides with zero mark of main scale

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Q. Consider the following data for a vernier calliper:
10 main scale division = 1 cm.
10 vernier division matches with 9 Main scale division.

While measuring the zero error of the vernier we see that zero of vernier scale is to the right of the zero marking of the main scale with

6^{t h}

vernier division coinciding with main scale divisions.

The actual reading for length measurement is 4.3 cm with 2nd vernier division coinciding with main scale graduation.

Estimate the length.

In a vernier callipers there are 10 divisions on the vernier scale and 1cm on the main scale is divided in 10 parts. While measuring a length the zero of the vernier lies just ahead of 1.8cm mark and 4th division of vernier coincides with a main scale division.

Find the length and the zero error of vernier calliper is -0.pick what is the correct length.

6^{t h}

vernier division coinciding with main scale divisions.

The actual reading for length measurement is 4.3 cm with 2nd vernier division coinciding with main scale graduation.

Estimate the length.

Q. A vernier callipers has its main scale graduated in mm and 10 divisions on its vernier scale are equal in length to 9 mm. When the two jaws are in contact. the zero of vernier scale is ahead of zero of main scale and 3rd division of vernier scale coincides with a main scale division. The zero error of the vernier callipers is

3 \times 10^{- x} c m

. Find the value of x.

Q. In a vernier callipers, smallest division on the main scale is

1 m m

, while the vernier scale have

20

divisions. When fixed jaw touches with movable jaw, zero of vernier scale lies on the right of the zero of the main scale and

15 t h

division of vernier scaled coincides with any division of main scale. What is the type of zero error and its value?

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