Question

While measuring the length of a pen, the reading of the scale at one end is 1.8 cm and that at the other end is 13.2 cm. what is the length of the pen expressed in SI unit?​

Answer 1

Answer:

: Here; reading at the beginning point = 3.0 cm

Reading at the end point = 33.1 cm

Measurement = Final reading – Initial reading

= 33.1 – 3.0 = 30.1 cm