Physical World Units and Measurements - Result Question 40
41. 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]
(a) $0.25 mm$
(b) $0.5 mm$
(c) $1.0 mm$
(d) $0.01 mm$
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Answer:
Correct Answer: 41. (b)
Solution:
- (b) Least count of screw gauge $=0.01 mm$ Least count
Pitch
$\overline{\text{ No. of divisions on circular scale }}$
$\Rightarrow 0.01 mm=\frac{\text{ Pitch }}{50}$
$\Rightarrow$ Pitch $=0.5 mm$
