Express the smallest possible value measured accurately using a meter rule (in mm) and thermometer (in 0.1°C)
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The smallest possible value measured accurately using a meter rule is 1 mm
The smallest possible value measured accurately using a thermometer is 0.2 °C
Explanation:
- In meter rule the value of 1 division is 1 cm and there are 10 divisions in 1 cm, hence the smallest possible value that can be measure accurately by a meter rule is 0.1 cm or 1 mm
- In thermometer, each divsion represents 1 °C and these are further divisded into 5 divisions. Therefore, the smallest possible value that can be measure by a thermometer is 1/5 = 0.2 °C.
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