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Question
Ashwin is required to take the measurement of a wooden box. Which of the following should be the position of his eye for taking the correct reading?
Ashwin is required to take the measurement of a wooden box. Which of the following should be the position of his eye for taking the correct reading?
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Solution
The correct option is C
Ashwin must position his eye in such a way that his line of sight is perpendicular to the scale readings.
This can be 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 eye in such a way that his line of sight is perpendicular to the scale readings.
This can be 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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