Question

Write any four precautions to be followed when a metre scale is being used for measuring a given length

Answer 1

Explanation:

Precautions to be followed while using a metre scale are as follows :-

1. Keep the ruler exactly along the length to be measured.
2. Avoid using worn out portions of the ruler.
3. Keep the eye vertically above the point where the measurement is to be taken.
4. The scale should be placed to the side of the object being measured. It should also be in touch with the object being measured.