Thermodynamics Part 1

Section: Physics

Question : 43 of 100

Marks: +1, -0

A pendulum clock loses 12 s a day if the temperature is 40°C and gains 4 s a day if the temperature is 20°C The temperature at which the clock will show correct time, and the co-efficient of linear expansion (α) of the metal of the pendulum shaft are respectively :

[Main 2016]

60°C;α=1.85×10−4/°C
30°C;α=1.85×10−3/°C
55°C;α=1.85×10−2/°C
25°C;α=1.85×10−5/°C

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