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JEE MAIN
06-04-24 S1
Question
While measuring diameter of wire using screw gauge the following readings were noted. Main scale reading is 1" " mm and circular scale reading is equal to 42 divisions. Pitch of screw gauge is 1" " mm and it has 100 divisions on circular scale. The diameter of the wire is $\frac{x}{50}$ mm. The value of x is :
Select the correct option:
A
142
B
71
C
42
D
21
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Physics
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