Question

what are the precautions to be taking while a meter scale?​

Answer 1

Answer:

Keep the ruler exactly along the length to be measured.

Avoid using worn out portions of the ruler.

Keep the eye vertically above the point where the measurement is to be taken.

Explanation:

Answer 2

Answer:

• Keep the ruler exactly along the length to be measured.

• Avoid using worn out portions of the ruler.

• Keep the eye vertically above the point where the measurement is to be taken.