Home Physics Experimental Skills Skill Builder Read the screw gauge main scale has Marks. …
Physics Experimental Skills Skill Builder MCQ (Single Correct)

Read the screw gauge main scale has Marks. Circular scale has 50 division In complete rotation the screw advance by

A
5.62 mm
B
6.19 mm
C
6.93 mm
D
6.83 mm

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Text Solution

Verified by Experts
The correct answer is:
C

Step 1: Calculate the Least Count
The least count (LC) of the screw gauge is the pitch (distance advanced in one complete rotation) divided by the number of divisions on the circular scale. The pitch is 0.5 mm and the number of circular divisions is 50 .

Step 2: Determine the Total Reading
The total reading of the screw gauge is the sum of the main scale reading (MSR) and the circular scale reading (CSR) multiplied by the least count.

Without the specific MSR and CSR, the exact answer cannot be determined. However, in a common problem with these exact options and specifications, the MSR is typically 6.5 mm and the CSR is 43. Using these values:

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