Page 18 - Introduction to Physics
P. 18
No Zero Error
10
0
Horizontal 5
reference 0 0 mark
line 45
40
Positive zero error Negative zero error
0 10 0 5
Horizontal 5 Horizontal 0
reference 0 2 nd mark reference 45 3 th mark
line 45 above 0 line 40 below 0
Positive zero error = + 0.02 mm Negative zero error = - 0.03 mm
To elliminate the zero error ***
Correct Reading = Reading Obtained − Zero Error
18
