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Question

In a thermometer, there are 100 major divisions between the freezing point and the boiling point of water. If each major division has 5 minor divisions, what is the minimum reading that can be taken using the thermometer?

A
0.2C
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B
1C
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C
0.8C
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D
1.2C
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Solution

The correct option is A 0.2C
We know that the freezing and the boiling points of water are 0C and 100C respectively. Since, there are 100 major divisions between these values, each major division represents one degree change in temperature. Also, each major division is further divided to 5 minor divisions. Hence, the minimum reading that can be taken is 100100×5=0.2C

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