The lower and upper fixed points of a mecury-in-glass thermometer are marked Y and 180mm...
PHYSICS
WAEC 1998
The lower and upper fixed points of a mecury-in-glass thermometer are marked Y and 180mm respectively. On a particular the mecury meniscus in the thermometer rises to 45mm. If the corresponding reading on a scale is 10°, calculate the value of Y.
- A. 4mm
- B. 18mm
- C. 30mm
- D. 135mm
Correct Answer: C. 30mm
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