Heat and Thermodynamics 2 Question 2
5. A pendulum clock loses a day if the temperature is and gains a day if the temperature is . The temperature at which the clock will show correct time, and the coefficient of linear expansion of the metal of the pendulum shaft are, respectively.
(2016 Main)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 5. (a)
Solution:
Time gained or lost is given by
From Eq. (i),