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A thermometer has a least count of 1°C. If the reading is 25°C, what is the maxi

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Question: A thermometer has a least count of 1°C. If the reading is 25°C, what is the maximum possible error in the measurement?

Options:

  1. 0.5°C
  2. 1°C
  3. 0.1°C
  4. 2°C

Correct Answer: 1°C

Solution: 

Maximum possible error = Least count = 1°C.

A thermometer has a least count of 1°C. If the reading is 25°C, what is the maxi

Practice Questions

Q1
A thermometer has a least count of 1°C. If the reading is 25°C, what is the maximum possible error in the measurement?
  1. 0.5°C
  2. 1°C
  3. 0.1°C
  4. 2°C

Questions & Step-by-Step Solutions

A thermometer has a least count of 1°C. If the reading is 25°C, what is the maximum possible error in the measurement?
  • Step 1: Understand what 'least count' means. It is the smallest value that can be measured by the thermometer.
  • Step 2: Identify the least count of the thermometer. In this case, it is 1°C.
  • Step 3: Recognize that the maximum possible error in a measurement is equal to the least count.
  • Step 4: Since the least count is 1°C, the maximum possible error in the reading of 25°C is also 1°C.
  • Least Count – The smallest increment that can be measured by a measuring instrument, which indicates the precision of the measurement.
  • Maximum Possible Error – The greatest deviation that can occur in a measurement, often equal to the least count of the measuring instrument.
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