Physics And Measurement Question 208
Question: When two quantities are divided, the relative error in the result is given by
Options:
A) The product of the relative error in the individual quantities
B) The quotient of the relative error in the individual quantities
C) The difference of the relative error in the individual quantities
D) The sum of the relative error in the individual quantities
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Answer:
Correct Answer: D
Solution:
[d] If $ z=\frac{A}{B} $
Then $ \frac{\Delta z}{z}=\frac{\Delta A}{A}+\frac{\Delta B}{B} $