Physics · 2023
JEE Main · 29 January 2023, Shift 2 · Q8
Heat energy of 184 kJ is given to ice of mass 600 g at -12^° C. Specific heat of ice is 2222.3 J kg^-1^° C^-1 and latent heat of ice in 336 kJ /…
Heat energy of $\displaystyle 184$ kJ is given to ice of mass $\displaystyle 600$ g at $\displaystyle -12^{\circ} \mathrm{C}$. Specific heat of ice is $\displaystyle 2222.3 \mathrm{~J} \mathrm{~kg}^{-1}{ }^{\circ} \mathrm{C}^{-1}$ and latent heat of ice in $\displaystyle 336 \mathrm{~kJ} / \mathrm{kg}^{-1}$
A. Final temperature of system will be $\displaystyle 0^{\circ} \mathrm{C}$.
B. Final temperature of the system will be greater than $\displaystyle 0^{\circ} \mathrm{C}$.
C. The final system will have a mixture of ice and water in the ratio of $\displaystyle 5: 1$.
D. The final system will have a mixture of ice and water in the ratio of $\displaystyle 1: 5$.
E. The final system will have water only.
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(1)
A and D Only
More from Thermal Expansion and Calorimetry
- A gas based geyser heats water flowing at the rate of 5.0 litres per minute from 27^° C to 87^° C. The rate of consumption of the gas is ____ g/s.…2026
- Water falls from a height of 200 m into a pool. Calculate the rise in temperature of the water assuming no heat dissipation from the water in the…2025
- A water heater of power 2000 W is used to heat water. The specific heat capacity of water is 4200 J kg^-1 K^-1. The efficiency of heater is 70 %.…2023
- The graph between two temperature scales P and Q is shown in the figure. Between upper fixed point and lower fixed point there are 150 equal…2023
- An amount of ice of mass 10^-3 kg and temperature -10^° C is transformed to vapour of temperature 110^° C by applying heat. The total amount of work…2025
- A gun fires a lead bullet of temperature 300 K into a wooden block. The bullet having melting temperature of 600 K penetrates into the block and…2025
- For three low density gases A, B, C pressure versus temperature graphs are plotted while keeping them at constant volume, as shown in the figure. The…2023
- A block of ice at -10^° C is slowly heated and converted to steam at 100^° C. Which of the following curves represent the phenomenon qualitatively:2024
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.