Question

Positive zero error and negative zero error . How will you account for this errors?​

Answer 1

Answer:

errors are always added no matter it is positive or negative

Answer 2

Answer:

there r 2 types of errors....(a) +ve zero error $ -ve zero error..

Explanation:

If yhe zero marking of the vernier scale lies on the right hand side of the zero marking of the main scale ,then we said this error is called positive error...

where as marking of the vernier scale lies on the left hand side of the zero marking of the main scale , then we said this error is called negative error.....