uncertainty Flashcards
1
Q
what are the 3 types of uncert.
A
- systematic
- scale reading
- random
2
Q
what are systematic errors due to ?
A
- faults in the apparatus
- wrong experimental techniques
3
Q
when reading analogue the scale reading uncertainty is …..
A
+- half the smallest division .
4
Q
when reading a digital scale the scale reading uncertainty is ….
A
+- 1 in the least significant figure
5
Q
what is the formula for random uncertainty
A
max value - min value
number of values
6
Q
percentage uncertainty =
A
uncert value
actual value X100
