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Question 1 (write down answers on Report Sheets) Below are three sets of measurements of the boiling point of water at 1 atm: Measurement 1 2 3 4 5 Set A 99.8 °C 99.8 °C 99.8 °C 99.8 °C 99.8 °C Set B 100.0 °C 100.3 °C 99.7 °C 99.9 °C 100.1 °C Set C 100.3 °C 100.6 °C 100.0 °C 100.2 °C 100.4 °C (1) Which set most likely has random errors only (A or B or C)? (2) Which set most likely has systematic errors only (A or B or C)? (3) Which set most likely has random errors and systematic errors (A or B or C)? (4) Which reading of the thermometer on the right figure can likely cause measurement errors (A or B)? (5) Take a look at the stopwatch and the tape measure on your table (for online students, see the figures below). What are the uncertainties of these two basic instruments (pay attention to the given units)? Tape measure: numbers (with long ticks) in units of cm Stopwatch:

          Question 1 (write down answers on Report Sheets)
Below are three sets of measurements of the boiling point of water at 1 atm:
Measurement 1 2 3 4 5
Set A 99.8 °C 99.8 °C 99.8 °C 99.8 °C 99.8 °C
Set B 100.0 °C 100.3 °C 99.7 °C 99.9 °C 100.1 °C
Set C 100.3 °C 100.6 °C 100.0 °C 100.2 °C 100.4 °C
(1) Which set most likely has random errors only (A or B or C)?
(2) Which set most likely has systematic errors only (A or B or C)?
(3) Which set most likely has random errors and systematic errors (A or B or C)?
(4) Which reading of the thermometer on the right figure can likely cause measurement errors (A or B)?
(5) Take a look at the stopwatch and the tape measure on your table (for online students, see the figures below). What are the uncertainties of these two basic instruments (pay attention to the given units)?
Tape measure: numbers (with long ticks) in units of cm
Stopwatch:

Question 1 (write down answers on Report Sheets)
Below are three sets of measurements of the boiling point of water at 1 atm:
Measurement 1 2 3 4 5
Set A 99.8 °C 99.8 °C 99.8 °C 99.8 °C 99.8 °C
Set B 100.0 °C 100.3 °C 99.7 °C 99.9 °C 100.1 °C
Set C 100.3 °C 100.6 °C 100.0 °C 100.2 °C 100.4 °C
(1) Which set most likely has random errors only (A or B or C)?
(2) Which set most likely has systematic errors only (A or B or C)?
(3) Which set most likely has random errors and systematic errors (A or B or C)?
(4) Which reading of the thermometer on the right figure can likely cause measurement errors (A or B)?
(5) Take a look at the stopwatch and the tape measure on your table (for online students, see the figures below). What are the uncertainties of these two basic instruments (pay attention to the given units)?
Tape measure: numbers (with long ticks) in units of cm
Stopwatch:

Added by Sara A.

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