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प्रश्न
State the formula for determining a pitch
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उत्तर
Pitch = `"Unit of main scale"/"No. of divisions in the unit"`
For example: If one-centimetre length has ten divisions then
Pitch = `(1"cm")/10` = 0.1 cm
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संबंधित प्रश्न
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
The diameter of a thin wire can be measured by
(a) A vernier scale has 10 divisions. It slides over the main scale, whose pitch is 1.0 mm. If the number of divisions on the left hand of zero of the vernier scale on the main scale is 56 and the 8th vernier scale division coincides with the main scale, calculate the length in centimetres.
(b) If the above instrument has a negative error of 0.07 cm, calculate the corrected length.
Which part of vernier callipers is used to measure the internal length of a hollow cylinder?
State the formula for calculating the pitch of screw.
State whether the following statement is true or false by writing T/F against it.
The ratchet of a screw gauge is used to measure the depth of a beaker.
The following diagrams (Fig. 5) show the use of a vernier caliper under three different situations. Study the diagrams carefully and note down the vernier readings in each case.
(a) Measuring the diameter of the rod
(b) Measuring Internal diameter of a cavity
(c) Measuring depth of a cavity
