Question 1 What precautions should be taken while using a meter scale to measure the length of an object? Question 2 What is meant by standard unit of measurement? Why is it necessary to have standard units of measurement? Question 3 Name the S.I. unit of length.Write its symbol? Question 4 How many centimeters are there in a meter? Question 5 How many milimeters … [Read more...] about Distances