Question

4 . Three students measured the length of same wall. The result of these studentsare different.What might be the possible reasons.

Answer 1

Answer:

one of them may be measured the length

one of them may be measured the breadth

one of them may be measured the height

so there are some poosibilites to get different measurments

Answer 2

Answer:

The possible reasons are:

1) Error in measurement.

2) Parallax error

3) Defect in measuring instrument.

4) Clumsy method of measuring

All these reasons are common in the practical world, It is common in resaerch work. So researchers measure the same thing multiple times and find the average of all measured to get closer to the true value.

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