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 12s a day if the temperature is 40°C and gains

1.	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:
Answer» <html><body><p>`55^(@) C, alpha = 1.85 xx 10^(-2) //""^(@) C`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a>^(@) C , alpha= 1.85 xx 10^(-<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a>)//""^(@) C`<br/>`60^(@) C, alpha = 1.85 xx 10^(-4)//""^(@) C`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/30-304807" style="font-weight:bold;" target="_blank" title="Click to know more about 30">30</a>^(@) C, alpha = 1.85xx 10^(-3) //""^(@) C`</p>Answer :B</body></html>