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The thickness of ice in a lake is 10 cm and its temperature is -10^(0)C. The thermal conductivity of ice = 0.004 cal cm^(-1)" sec"^(-1)""^(0)C^(-1). Density of ice = 0.92 g/cc, latent heat of ice = 80 cal/g. The time taken for thickness of ice to be doubled is

Answer» <html><body><p>`10^(6)` second <br/>`2.75xx10^(5)` second <br/>`10^(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)` second <br/>`9.2xx10^(5)` second </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :B</body></html>


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