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Question
Which of the following lengths can be measured by the scale given below?
Which of the following lengths can be measured by the scale given below?
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Solution
The correct option is C Both 2 cm and 12 cm
From the figure, if the scale was not broken, the maximum length we could have measured from the scale at one go was 15 cm.
Although we cannot see the reading "2" on the scale, we can measure it with the help of markings on the right hand side of the broken part using the undergiven formula.
Length = Final Reading - Initial Reading
Irrespective of the broken part in the middle, since both the markings "0" and "12" are clearly visible on the scale, we can measure that length.
From the figure, if the scale was not broken, the maximum length we could have measured from the scale at one go was 15 cm.
Although we cannot see the reading "2" on the scale, we can measure it with the help of markings on the right hand side of the broken part using the undergiven formula.
Length = Final Reading - Initial Reading
Irrespective of the broken part in the middle, since both the markings "0" and "12" are clearly visible on the scale, we can measure that length.
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