मराठी

State the formula for calculating length if: Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale - Physics

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प्रश्न

State the formula for calculating length if:

Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale is known.

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उत्तर

If we know the number of vernier scale divisions (V.S.D.) coinciding with the main scale and a number of main scale divisions (M.S.D.) on the left-hand side of zero of vernier scale then Length recorded = Main scale reading + L.C. × V.S.D.

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Vernier Callipers
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पाठ 1: Measurements and Experimentation - Unit 3 Exercise 3

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संबंधित प्रश्‍न

Name the part of the vernier callipers which is used to measure the following

Internal diameter of a mug


A screw gauge has 50 divisions on its circular scale and its screw moves by 1 mm on turning it by two revolutions. When the flat end of the screw is in contact with the stud, the zero of the circular scale lies below the base line and 4th division of the circular scale is in line with the base line. Find

(i) The pitch,

(ii) The least count and

(iii) The zero error of the screw gauge


The circular scale of a screw gauge has 100 divisions. Its spindle moves forward by 2.5 mm when given five complete turns. Calculate

  1. pitch
  2. least count of the screw gauge

Figure shows a screw gauge in which circular scale has 200 divisions. Calculate the least count and radius of the wire.


A measuring cylinder is filled with water up to a level of 30 ml. A solid body is immersed in it so that the level of water rises to 37 ml. Now the solid body is tied with a cork and then immersed in water so that the water level rises to 40 ml. Find the volume of the solid body and the cork.


State two limitations of a metre rule.

Draw a neat labeled diagram of vernier calipers.

State whether the following statement is true or false by writing T/F against it.

A metre scale can measure a length of 6.346 cm.


How does negative error arise in the instrument?

A Vernier calliper reads a main scale reading of 2.3 cm and the 5th division of the Vernier scale coincides with a main scale division. If the least count is 0.01 cm, what is the actual reading?


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