While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error
- A.
1.17% - B.
6.38% - C.
7.44% - D.
8.035% - E.
9.00%
Correct Answer: Option C
Explanation
%error = (frac{1.21 – 1.12}{1.21} times 100%)
= (frac{9}{121} times 100%)
= 7.44%