Uncertainties Flashcards
1
Q
Single reading uncertainty?
A
+/- the resolution of the instrument
2
Q
Percentage uncertainty of one reading?
A
Uncertainty
—————— X 100
Reading
3
Q
Uncertainty and percentage uncertainty in a spread of readings?
A
U = half the range
%U = U
—— X 100
Mean
4
Q
Absolute Uncertainty?
A
%Uncertainty Of answer
———————————— X Answer = %
100
5
Q
% U of X^n is?
A
n times the %U of x
