Question

(a) Describe in steps how would you measure the
length of a pencil using a metre ruler. Draw a
diagram if necessary. .


(b) Explain with an example how you will use the
metre ruler in part (a) if the ends of ruler are
broken.​

Answer 1

Answer:

a) To measure the length of a pencil using a metre rule, place metre rule with its marking close to the object. ... The end P of the pencil coincides with the zero mark on the ruler. The end Q of the pencil is read by keeping the eye at the position B vertically above the end Q. So, the length of pencil is 4.3cm

Explanation:

Answer. Answer: The ends of the ruler get damaged with use and it's zero marks may not be visible. To measure the length of an object is placed close to a specific marking on the ruler and the positions of both the ends of the object are read on the ruler.