Free physics question bank
heat transfer in solid and liquid questions with solutions
Practice Thermodyanmics for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–4 of 4 questions
- MCQeasyThermodyanmics
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⁻¹.
(Take heat of combustion of gas = 5.0 × 10⁴ J·g⁻¹) specific heat capacity of water = 4200 J·kg⁻¹·°C⁻¹
Options
JEE Mains 202621 January Morning Shift
Open question & full solution → - NumericmediumThermodyanmics
Two cylindrical rods A and B are joined end-to-end. Their ratios are = 1/2, = 2 and = 1/2. The free ends are maintained at 400 K and 200 K respectively. Find the steady interface temperature in kelvin.
JEE Mains 2025 7 April Evening Shift
Open question & full solution → - IntegermediumThermodyanmics
Two plates A and B have thermal conductivities 84 W m⁻¹ K⁻¹ and 126 W m⁻¹ K⁻¹. They have equal thickness and area and are placed in contact. Their outer faces are maintained at 100°C and 0°C. Find the steady interface temperature in °C.
13 April 2023 Evening Shift
Open question & full solution → - MCQmediumThermodyanmics
Rods x and y of equal dimensions but of different materials are joined as shown in figure. Temperatures of end points A and F are maintained at 100 °C and 40 °C respectively. Given the thermal conductivity of rod x is three times of that of rod y, the temperature at junction points B and E are (close to) :
Options
JEE Mains 202622 January Morning Shift
Open question & full solution →