Question

3.
Radha was performing an experiment in the Science Laboratory. The metre
scale, that she was using to measure the length of a string, was worn out
between its 1 cm and its 2 cm marks, due to overuse.
(a) She measures the length of a string by keeping its one end at the 3.0 cm
mark. If the other end of the string 'reads 92.8 cm, find the length of the
string.
(b) write the precautions, to be followed, when a metre scale is being used for measuring a given length.​

Answer 1

Answer:

Explanation:

original length should be  = measured length - mark from it was measured

                                          = 92.8-3.0

                                          = 89.8 cm

it should be the original length

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