30. The length of mercury thread when it is at 0°C, 100°C and at an unknown temperature 0 is 25mm, 225mm and 175mm respectively. What is the value of 02 A. 85.0°C B. 80.0°C C. 75.0°C D. 70.0°C

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asked Aug 15, 2022 173k views

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30. The length of mercury thread when it is at 0°C, 100°C and at an unknown temperature 0 is 25mm, 225mm and 175mm respectively. What is the value of 02 A. 85.0°C B. 80.0°C C. 75.0°C D. 70.0°C

Physics
high-school

NightFury asked

by NightFury

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Answer:

75°C

Step-by-step explanation:

175−25/225−25=x−0/100−0

150/200=x/100

x=150×100/200

= 75°C

Matthew Snell answered Aug 20, 2022

by Matthew Snell

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