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Question
Ashwin is required to take the measurement of a wooden box. Which of the following should be the proper position of his eye for taking the reading?
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Solution
The correct option is C
Ashwin must position his sight in such a way that his line of sight is perpendicular to the scale-readings. This is achieved by placing his eye exactly vertically above the scale. If this is not ensured, then he will observe an error in the measurement.
Ashwin must position his sight in such a way that his line of sight is perpendicular to the scale-readings. This is achieved by placing his eye exactly vertically above the scale. If this is not ensured, then he will observe an error in the measurement.
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