JAMB Physics 2008 Objective — Question 20

Question 20 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2008 Objective paper, with the correct answer and a full explanation.

20. During summer, the balance wheel of a clock expands. What effect does this have on the accuracy of the clock?

A. The clock gains time
B. The accuracy of the clock is not affected
C. The clock loses timeCorrect
D. The clock stops working

Explanation

The expansion of the balance wheel causes the clock to run slower, so it loses time.

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