Question

how will you find the thickness of the screw gauge.​

Answer 1

Answer:

1. Insert the sheet between the studs of the screw gauge and determine the thickness at five different positions.
2. Insert the sheet between the studs of the screw gauge and determine the thickness at five different positions.Find the average thickness and determine the correct thickness by applying the zero error.

Explanation:

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Answer 2

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Aim: To measure the thickness of the sheet using screw gauge.

Apparatus/ Materials Required:

• Screw Gauge

• Sheet

• Magnifying Lens

Formula:

• Pitch of the screw

= Distance moved by the screw/ No. of full rotations given

• Least count

= Pitch / Total number of divisions on the Circular Scale

Procedure:

• Insert the sheet between the studs of the screw gauge and determine the thickness at five different positions.

• Find the average thickness and determine the correct thickness by applying the zero error.

Observations:

The least count of the screw gauge = ….. mm

Zero Error of screw gauge = ….. mm

Means thickness of the given sheet = ….. mm.

Mean corrected thickness of the given sheet = Observed thickness – Zero error = …… mm.

Result:

The thickness of the given sheet is …..m.

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