The following observations were made to determine the sensitivity of two tubes. The distance of the staff from the instrument was 100 m and the length of one division of both bubble tube is 2 mm.
|
Bubble tube |
|
Bubble Reading |
Staff Reading |
|
|
|
|
LHS |
RHS |
|
|
A |
1) |
13 |
05 |
1.681 |
|
2) |
08 |
12 |
1.767 |
|
|
B |
3) |
15 |
03 |
1.635 |
|
4) |
06 |
14 |
1.788 |
|
1
Bubble A & Bubble B have same sensitivity
2
Sensitivity of Bubble A < Sensitivity of Bubble B
3
Sensitivity of Bubble A is 29.56 sec and Bubble B is 31.56 sec
4
Sensitivity of Bubble B is 29.56 sec and Bubble A is 31.56 sec