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प्रश्न
A screw thread has 20 threads in 1 cm and its circular scale has 50 divisions. Calculate its pitch and least count.
टीपा लिहा
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उत्तर
Number of threads = 20
Distance covered in 20 threads = 10 mm
Pitch of the screw gauge = `10/20` = 0.5 mm
No of divisions on circular scale = 50
`"Least count" = "pitch"/"no. of divisions"`
= 0.01 mm
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Vernier Callipers
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