Straighterline Introduction to Physics (lab) PHY250L Lab 1 Measurements and Uncertainty
COMPLETE Worksheet (New Version August 2024) Scored 100%
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Lab Report Format Expectations
Utilize college level grammar and formatting when answering text based questions.
Report all equations in a proper mathematical format, with the correct signs and symbols.
Submissions with incomplete or improperly formatted responses may be rejected.
Pre-Lab Questions
1. The experiments in this lab utilize a number of tools to take accurate and precise measurements. One of
those instruments in the Vernier Calliper. Demonstrate what you learned regarding the use of this tool
by reading the diameter of the quarter in Figure 3 from the lab material, which has been provided below.
Your measurement must have the correct units, and must have the associated error.
Figure 3: A quarter being measured by a caliper.
I discovered that in order to read this measurement correctly, one must first measure the
distance between the ends of the quarter, determine the main scale measurement using the
dash above 0, and then determine the vernier scale reading using the second dash. Vernier
Scale reading is 0.05, scale reading is 24 mm. 24.05mm is the final measurement.
2. Why is uncertainty crucial to the reporting of values in scientific and engineering works?
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