A seconds pendulum clock has a steel wire. The clock shows correct time at 25∘C. How much time does the clock lose or gain in one week, when the temperature is increased to 35∘C ? (αsteel=1.2×10−5/∘C)
A
5.18s gain
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B
5.18s lose
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C
36.28s gain
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D
36.28s lose
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Solution
The correct option is D36.28s lose Time period T=2π√lg
length changes as temperature increases