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Calculate the length which corresponds to a temperature of 20oC if the ice and steam...

Physics
JAMB 2013
Calculate the length which corresponds to a temperature of 20oC if the ice and steam points of an unguarded thermometer are 400 mm apart
  • A. 20mm
  • B. 30mm
  • C. 60mm
  • D. 80mm
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Correct Answer: Option D
Explanation
At 100oC = 400

Therefore,

At 20oC = \(\frac{400}{100} \times \frac{20}{1}\) = 80

There is an explanation video available below.

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Explanation Video

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