मराठी

Define the term least count as applied to a vernier callipers.

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प्रश्न

Define the term least count as applied to a vernier callipers.

व्याख्या
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उत्तर

Least count of a vernier callipers is the difference between one main scale division (M.S.D.) and one vernier scale division (V.S.D.)

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पाठ 1: Measurements and Experimentation - Unit 3 Exercise 3

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संबंधित प्रश्‍न

A vernier callipers has a zero error of + 0.06 cm. Draw a neat labelled diagram to represent it.


Name the instrument which can accurately measure the following

The internal diameter of the neck of a water bottle


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 the vernier scale is ahead of the zero of the main scale and the 3rd division of the vernier

scale coincides with a main scale division.

Find : (i) The least count and

         (ii) The zero error of the vernier callipers.


Why is the metre length in terms of the wavelength of light considered more accurate?


In figure for vernier callipers, calculate the length recorded.


A micrometre screw gauge has a negative zero error of 8 divisions. While measuring the diameter of a wire the reading on the main scale is 3 divisions and the 24th circular scale division coincides with baseline.
If the number of divisions on the main scale are 20 to a centimetre and circular scale has 50 divisions, calculate

  1. pitch
  2. observed diameter.
  3. least count
  4. corrected diameter.

What do you understand by the following term as applied to screw gauge?

Zero error


The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.


State two uses of vernire calipers.

If the 4th division of the circular scale coincides with the zero of the main scale of a screw gauge of least count 0.01 mm, what is it's zero error?

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