Error Types (systematic Vs Random)
Easyphysics
A scale consistently reads 0.5 cm more than actual length. This is an example of?
Select the correct option:
Solution
Incorrect! Answer:
Systematic error
- Systematic Error: These are errors that tend to be in one direction (either positive or negative) and are reproduced consistently when the measurement is repeated under the same conditions.
- Source: Often arises from faulty calibration of an instrument (zero error), a defect in the measurement technique, or environmental factors.
- Analysis: Since the scale consistently overestimates by exactly 0.5 cm, the error is predictable and non-random.
- Prevention: Such errors can be minimized by calibrating the instrument or applying a correction factor.
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About This Question
- Subject
- physics
- Chapter
- physics and measurement
- Topic
- error types (systematic vs random)
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Systematic error
- Systematic Error: These are errors that tend to be in one direction (either positive or negative) and are reproduced consistently when the measurement is repeated under the same conditions.
- Source: Often arises from faulty calibration of an instrument (zero error), a defect in the measurement technique, or environmental factors.
- Analysis: Since the scale consistently overestimates by exactly 0.5 cm, the error is predictable and non-random.
- Prevention: Such errors can be minimized by calibrating the instrument or applying a correction factor.
This easy difficulty physics question is from the chapter physics and measurement, covering the topic of error types (systematic vs random). It appeared in the 2025 exam.
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