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Questions and Answers
What is the main function of a Vernier caliper?
What is the main function of a Vernier caliper?
- Measure length, width, and thickness of objects (correct)
- Measure temperature
- Measure weight
- Measure time
Which part of the Vernier caliper is used to measure the outer dimensions of an object?
Which part of the Vernier caliper is used to measure the outer dimensions of an object?
- Outside jaws (correct)
- Main scale
- Inside jaws
- Vernier scale
The main scale of a Vernier caliper typically measures in:
The main scale of a Vernier caliper typically measures in:
- Centimeters
- Millimeters (correct)
- Inches
- Meters
What does the term 'least count' mean for a Vernier caliper?
What does the term 'least count' mean for a Vernier caliper?
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If the main scale reads 3.0 cm and the zero mark on the Vernier scale aligns with the third division on the main scale, what is the measured length?
If the main scale reads 3.0 cm and the zero mark on the Vernier scale aligns with the third division on the main scale, what is the measured length?
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Study Notes
Function and Measurement
- A Vernier caliper measures internal and external dimensions, as well as depths of objects with high precision.
Parts of a Vernier Caliper
- The outer dimensions of an object are measured using the outside jaws of the Vernier caliper.
Measurement Scales
- The main scale of a Vernier caliper typically measures in centimeters and millimeters.
Least Count
- 'Least count' refers to the smallest value that can be measured accurately with a Vernier caliper, usually 0.02 cm or 0.01 cm, depending on the design.
Example of Measurement Calculation
- If the main scale reads 3.0 cm and the zero mark on the Vernier scale aligns with the third division on the main scale, the measured length is 3.3 cm (3.0 cm + 0.3 cm).
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