The pitch of a screw gauge is 1 mm and there are 100 divisions on circular scale. When the two studs of the screw gauge are touching each other, the 32^(nd) division of the circulasr scale coincides with the reference line / base line / index line on the pitch scale. When a glass plate is placed in between the studs firmly, the pitch scale reads 4 divisions and the circular scale reads 16 divisions Zero correction of the instrument is

The pitch of a screw gauge is 1 mm and there are 100 divisions on circ

1.	The pitch of a screw gauge is 1 mm and there are 100 divisions on circular scale. When the two studs of the screw gauge are touching each other, the 32^(nd) division of the circulasr scale coincides with the reference line / base line / index line on the pitch scale. When a glass plate is placed in between the studs firmly, the pitch scale reads 4 divisions and the circular scale reads 16 divisions Zero correction of the instrument is
Answer» 0 MM `+ 0.32 mm` `-0.32 mm` `+4 mm` ANSWER :C