A refrigerator converts of water at into ice at in

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A refrigerator converts

100\ \text{g}

of water at

25^\circ\text{C}

into ice at

-10^\circ\text{C}

1\ \text{hour}\ 50\ \text{minutes}

. The quantity of heat removed per minute is: (specific heat of ice

=0.5\ \text{cal g}^{-1}\,{}^\circ\text{C}^{-1}

, latent heat of fusion

=80\ \text{cal g}^{-1}

) (a)

50\ \text{cal}

(b)

100\ \text{cal}

(c)

200\ \text{cal}

(d)

75\ \text{cal}