JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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A piece of ice of mass

100 \mathrm{~g}

and at temperature

0^{\circ} \mathrm{C}

is put in

200 \mathrm{~g}

of water at

25^{\circ} \mathrm{C}

. How much ice will melt as the temperature of water reaches

0^{\circ} \mathrm{C}

?

(Take, latent heat of fusion of ice

=3.4 \times 10^5 \mathrm{Jkg}^{-1}

)

View answer and explanation

Correct option: D

61.8 \mathrm{~g}

Option D (

61.8 \mathrm{~g}

) is correct because it is calculated by equating the heat lost by the water to the heat gained by the ice as it melts.

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