General Physics Question 13

Question 13

  1. The circular scale of a screw gauge has 50 divisions and pitch of 0.5 mm. Find the diameter of sphere. Main scale reading is 2 .

(2006,3M)

(a) 1.2 mm (b) 1.25 mm (c) 2.20 mm (d) 2.25 mm

Objective Questions II (One or more correct option)

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Answer:

Correct Answer: 13. (a)

Solution:

  1. Least count (LC)= Pitch  Number of divisions 

=0.550=0.01 mm

Now, diameter of ball

=(2×0.5 mm)+(255)(0.01)=1.2 mm



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