Question

If a zero error is negative then what does ot indicate

Answer 1

Negative zero error occurs when the ‘0’ marking of the vernier scale appears before the ‘0’ marking of the main scale. The error is -(0.1-y) cm. To correct the reading, we subtract the error from the measurement.


Negative Zero Error: If the zero of the Vernier scale is one the left of the main scale zero, then the zero error will be negative and zero correction will be positive. To find the zero error note the number of Vernier scale division which coincide with one of the main scale and multiply with least count.