An ice cube of dimensions 60 ~cm × 50 ~cm × 20 ~cm is placed in an insulation box of wall thickness 1 ~cm. The box keeping the ice cube at 0^(°) C of temperature is brought to a room of temperature 40^(°) C. The rate of melting of ice is approximately: (Latent heat of fusion of ice is 3.4 × 10⁵ ~J ~kg⁻¹ and thermal conducting of insulation wall is 0.05 Wm^(-1°) C⁻¹)

Properties of Solids and Liquids: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jul, Evening shift · Q7345

JEE Main 202226 Jul, Evening shiftPhysicsMediumProperties of Solids and Liquids184× since 2002

An ice cube of dimensions

60 \mathrm{~cm} \times 50 \mathrm{~cm} \times 20 \mathrm{~cm}

is placed in an insulation box of wall thickness

1 \mathrm{~cm}

. The box keeping the ice cube at

0^{\circ} \mathrm{C}

of temperature is brought to a room of temperature

40^{\circ} \mathrm{C}

. The rate of melting of ice is approximately : (Latent heat of fusion of ice is

3.4 \times 10^{5} \mathrm{~J} \mathrm{~kg}^{-1}

and thermal conducting of insulation wall is

0.05 \,\mathrm{Wm}^{-1 \circ} \mathrm{C}^{-1}

)

JEE Main 2022 Properties of Solids and Liquids Question with Solution (26 Jul Evening shift, Q7345) | JEE Arc