MCQEasyJEE Main 2026 · 21 January, Shift 1Calorimetry & Change of State

Physics Question from JEE Main 2026 · 21 January, Shift 1

A gas based geyser heats water flowing at the rate of 5.0litres per minute5.0 \, \text{litres per minute} from 27C27^\circ \text{C} to 87C87^\circ \text{C}. The rate of consumption of the gas is _____ g/s\text{g/s}. (Take heat of combustion of gas = 5.0×104J/g5.0 \times 10^4 \, \text{J/g}, specific heat capacity of water = 4200J/kgC4200 \, \text{J/kg}\cdot{}^\circ\text{C}).

  • A

    0.210.21

  • B

    2.12.1

  • C

    0.420.42

  • D

    4.24.2

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