8 JEE Main 2026 Thermal Properties of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Thermal Properties of Matter chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Thermal Properties of Matter chapter hub.
10 kg of ice at -10ⁱrc C is added to 100 kg of water to lower its temperature from 25 ⁱrc C. Consider no heat exchange…
Rods x and y of equal dimensions but of different materials are joined as shown in figure. Temperatures of end points A…
The temperature of a metal strip having coefficient of linear expansion α is increased from T₁ to T₂ resulting in incre…
A gas based geyser heats water flowing at the rate of 5.0 litres per minute from 27ⁱrc C to 87ⁱrc C. The rate of consum…
A brass wire of length 2 m and radius 1 mm at 27ⁱrc C is held taut between two rigid supports. Initially it was cooled…
An aluminium and steel rods having same lengths and cross-sections are joined to make total length of 120 cm at 30ⁱrc C…
The heat extracted out of x gram of water initially at 50°C to cool it down to 0°C is sufficient to evaporate (1000 - x…
Which of the following best represents the temperature versus heat supplied graph for water, in the range of -20ⁱrc C t…