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A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum pos

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Question: A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum possible true length?

Options:

  1. 50 cm
  2. 50.1 cm
  3. 50.2 cm
  4. 49.9 cm

Correct Answer: 49.9 cm

Solution: 

Minimum true length = Measured value - Error = 50.1 cm - 0.1 cm = 50 cm.

A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum pos

Practice Questions

Q1
A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum possible true length?
  1. 50 cm
  2. 50.1 cm
  3. 50.2 cm
  4. 49.9 cm

Questions & Step-by-Step Solutions

A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum possible true length?
  • Step 1: Identify the measured length, which is 50.1 cm.
  • Step 2: Identify the error in the measurement, which is 0.1 cm.
  • Step 3: To find the minimum possible true length, subtract the error from the measured length.
  • Step 4: Perform the subtraction: 50.1 cm - 0.1 cm.
  • Step 5: Calculate the result, which is 50 cm.
  • Measurement and Error Analysis – Understanding how to calculate the true value of a measurement by considering the associated error.
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