Question

plz tell correct answer​

Answer 1

When the zero of the vernier scale lies left to the zero of the main scale then the zero error is negative. Hence the negative error in the instrument is need to be added to the final reading for correct measurement.

Therefore the correct answer is :

option (b) The zero error is to be added .

HOPE THIS HELPS YOU !!    : )

Answer 2

Answer:

are you ridhi just asking . if you are leave a thanks i will understand.