Question
Physics Question on Units and measurement
The arithmetical check for Height of Instrument method (HI) is -
A
∑BS - ∑IS = First RL - Last RL
B
∑BS - ∑FS = Last RL - First RL
C
∑FS - ∑BS = Last RL - First RL
D
∑BS - ∑FS = First RL - Last RL
Answer
∑BS - ∑FS = Last RL - First RL
Explanation
Solution
The correct answer is (B) : ∑BS - ∑FS = Last RL - First RL.