WAEC Physics 2022 Objective — Question 38
Question 38 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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The distance between the fixed points of a mercury-in-glass thermometer is 30cm. Determine the temperature when the mercury level is 10.5cm above the lower fixed point.
- A. 28.6°C
- B. 30.0°CCorrect
- C. 35.0°C
- D. 40.5°C
Explanation
θ = (10.5/30)×100°C = 35.0°C. (Per source's worked answer, θ=35°C corresponds to option C.)
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