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[" ndulum clock lose "12" s a day if the...

[" ndulum clock lose "12" s a day if the temperature is "40^(@)C" .And gains "4s" a day if the temperature is "20^(@)C" .The temperature at which the "],[" thow correct time and the co-efficient of linear expansion (a) of the metal of the pendulum shaft are respectively "],[" tect "45740" for "21c" fflicient of "12" s affart "$74720" for "20" for "20%" He "4" s the respectively "],[" Hell "48cm" and "41f" .Figh "441R" riglids "(7)/(8)" ."]

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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 coefficient of linear expansion (alpha) of the metal of the pendulum shaft are respectively

A pendulum clock loses 12s a day if the temperature is 40^@C and gains 4s 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 (alpha) of the metal of the pendulum shaft are respectively:

A pendulum clock loses 12 s a day if the temperature is 40^@C and gains 4s a day if the temperature is 20^@C . The temperature at which the clock will show correct time, and the coefficient of linear expansion (alpha) of the metal of the pendulum shaft are respectively:

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