11 JEE Main 2025 Thermal Properties of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 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.
Three conductors of same length having thermal conductivity k₁, k₂ and k₃ are connected as shown in figure. Area of cro…
Consider a rectangular sheet of solid material of length ℓ=9 ~cm and width d=4 ~cm. The coefficient of linear expansion…
A gun fires a lead bullet of temperature 300 K into a wooden block. The bullet having melting temperature of 600 K pene…
A cup of coffee cools from 90ⁱrc C to 80ⁱrc C in t minutes when the room temperature is 20ⁱrc C. The time taken by the…
Two spherical bodies of same materials having radii 0.2 m and 0.8 m are placed in same atmosphere. The temperature of t…
An amount of ice of mass 10⁻³ ~kg and temperature -10ⁱrc C is transformed to vapour of temperature 110ⁱrc C by applying…
A wire of length 10 cm and diameter 0.5 mm is used in a bulb. The temperature of the wire is 1727ⁱrc C and power radiat…
Two cylindrical rods A and B made of different materials, are joined in a straight line. The ratio of lengths, radii an…
Water falls from a height of 200 m into a pool. Calculate the rise in temperature of the water assuming no heat dissipa…
Which of the following figure represents the relation between Celsius and Fahrenheit temperatures ?
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