Question:medium

Two identical boxes A and B have thermal conductivities 180 and 270 W m$^{-1}$K$^{-1}$. Ice in A melts in 21 min. Time for half ice in B to melt is:}

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Melting time ∝ 1 thermal conductivity.
Updated On: Jun 17, 2026
  • 14 min
  • 10.5 min
  • 7 min
  • 42 min
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The Correct Option is B

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