Q.

A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is  [2020]

1 1.0 mm  
2 0.01 mm  
3 0.25 mm  
4 0.5 mm  

Ans.

(4) 

L.C.=PitchNumber of divisions on circular scale 

0.01=Pitch50

Pitch = 0.5 mm