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A thermometer reads 100.0 °C with an uncertainty of ±0.5 °C. What is the range o

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Question: A thermometer reads 100.0 °C with an uncertainty of ±0.5 °C. What is the range of possible temperatures?

Options:

  1. 99.5 °C to 100.5 °C
  2. 99.0 °C to 100.0 °C
  3. 100.0 °C to 101.0 °C
  4. 100.5 °C to 101.5 °C

Correct Answer: 99.5 °C to 100.5 °C

Solution: 

Range = 100.0 ± 0.5 °C gives 99.5 °C to 100.5 °C.

A thermometer reads 100.0 °C with an uncertainty of ±0.5 °C. What is the range o

Practice Questions

Q1
A thermometer reads 100.0 °C with an uncertainty of ±0.5 °C. What is the range of possible temperatures?
  1. 99.5 °C to 100.5 °C
  2. 99.0 °C to 100.0 °C
  3. 100.0 °C to 101.0 °C
  4. 100.5 °C to 101.5 °C

Questions & Step-by-Step Solutions

A thermometer reads 100.0 °C with an uncertainty of ±0.5 °C. What is the range of possible temperatures?
  • Step 1: Identify the reading on the thermometer, which is 100.0 °C.
  • Step 2: Identify the uncertainty, which is ±0.5 °C.
  • Step 3: To find the lowest possible temperature, subtract the uncertainty from the reading: 100.0 °C - 0.5 °C = 99.5 °C.
  • Step 4: To find the highest possible temperature, add the uncertainty to the reading: 100.0 °C + 0.5 °C = 100.5 °C.
  • Step 5: Combine the lowest and highest temperatures to find the range: 99.5 °C to 100.5 °C.
  • Measurement Uncertainty – Understanding how to interpret and calculate the range of values based on a measured value and its associated uncertainty.
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