Question

State two precautions that you would like to take while measuring the length of an object by using a meter scale.

Answer 1

Meter scale:

1. A meter scale is an apparatus that is used to measure length.
2. SI unit of length is a meter which is denoted by the letter m.

Precautions that need to be considered while measuring the length of an object by using a meter scale:

1. Our eye should be vertically above the point, where the measurement is to be taken.
2. For proper measurement, Keep the ruler exactly along the length, for the measurement.
3. Avoid using a worn-out ruler.

Hence, these are the precautions that need to be considered while measuring length using a meter scale.