When \( 1 \mathrm{~kg} \) of ice at \( 0^{\circ} \mathrm{C} \) melt...
When \( 1 \mathrm{~kg} \) of ice at \( 0^{\circ} \mathrm{C} \) melts to water at \( 0^{\circ} \mathrm{C} \), the resulting change in its entropy, taking latent heat of ice to be \( 80 \mathrm{cal} /{ }^{\circ} \mathrm{C} \) is
[CBSE PMT (Pre.) 2011]
\( \mathrm{P} \)
(a) \( 293 \mathrm{cal} / \mathrm{K} \)
(b) \( 273 \mathrm{cal} / \mathrm{K} \)
W
(c) \( 8 \times 10^{4} \mathrm{cal} / \mathrm{K} \)
(d) \( 80 \mathrm{cal} / \mathrm{K} \)
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