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The temperature gradient in a rod of 0.5...

The temperature gradient in a rod of `0.5 m` length is `80^(@)C//m`. It the temperature of hotter end of the rod is `30^(@)C`, then the temperature of the cooler end is

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The correct Answer is:
`-10^(@)C`
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SL ARORA-THERMODYNAMICS-Problems for self practice
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