a clock with metal pendulum beating seconds keep correct time at zeroDegree calsius. If it loses 12.5s a day at 25degreecalcius,the coefficient of linear expansion of metal pendulum is
Komal , 5 Years ago
Grade 12th pass
1 Answers
Arun
Last Activity: 5 Years ago
Now, we have
Time lost in a day = time lost per second x number of seconds in a day so,
dt = (1/2).α.T x 86400 or 12.5 = (1/2).α.25 x 86400 so, α = (12.5 x 2) / (25 x 86400) thus, coefficient of linear expnsion is α = (1/86400) oC-1
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