Question 1
Measurement and UnitsWhat is the least possible error in using a rule graduated in centimeters?
- A.0.1cm
- B.0.5cm
- C.1.0cm
- D.2.0cm
Show the answer and explanation
Answer: B (0.5cm)
Explanation
The least possible error of a scale is half its smallest division; a rule marked in 1 cm steps gives ±0.5 cm.