300 no. of divisions 55 a) The main scale of a screw gauge has 1 cm divided into 20 equal parts and the circular scale has 50 equal divisions. The screw advances I division of the main scale on turning the circular head through one revolution. Find its (i) Pitch = (in) Least count = .) While measuring the diameter of a wire with the above screw gauge, it is observed that the reading of the main scale is 6 divisions and the 12th division of the circular scale coincides with the base line. Find the diameter of the wire,pls say the answer its very important
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please tell 1 question at a time
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it makes gumble for us , ok
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