The lower fixed part of a faulty thermometer re... - JAMB Physics 2019 Question
The lower fixed part of a faulty thermometer reads 2°C while the upper fixed point is 100°C.
What is the true temperature when the thermometer reads 51°C?
A
52°C
B
50°C
C
49°C
D
46°C
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Correct Option: B
C\(_{\theta}\) = 50, C\(_0\) = 2, C\(_{100}\) = 100
| θ = | C\(_{\theta}\) - C\(_0\)
C\(_{100}\) - C\(_0\) | × | 100 | = | 51 - 2
100 - 2 | × | 100 |
| = | 49
98 | × | 100 |
θ = 50°C
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