JAMB Physics 2008 Objective — Question 17
Question 17 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2008 Objective paper, with the correct answer and a full explanation.
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17. When cold water is poured on a can containing hot water, the can collapses because the
- A. steam condenses and occupies the partial vacuum in the can
- B. external air pressure counterbalances the pressure within the can
- C. steam expands to occupy the vacuum remaining in the can
- D. external air pressure becomes greater than the pressure within the canCorrect
Explanation
The steam inside condenses, reducing internal pressure, so the external air pressure becomes greater than the pressure within the can, crushing it.
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