15 JEE Main 2021 Thermal Properties of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 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.
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Wh…
A body takes 4   min to cool from 61 ° C to 59 ° C . If the temperature of the surroundings is 30 °…
A container is divided into two chambers by a partition. The volume of first chamber is 4 . 5   litre and second c…
Two identical metal wires of thermal conductivities K 1 and K 2 respectively are connected in series. The effective the…
An ideal gas is expanding such that P T 3 = constant. The coefficient of volume expansion of the gas is:
A bimetallic strip consists of metals A and B . It is mounted rigidly as shown. The metal A has higher coefficient of e…
A rod C D of thermal resistance 10 . 0 KW - 1 is joined at the middle of an identical rod A B as shown in figure. The e…
Each side of a box made of metal sheet in cubic shape is a at room temperature T , the coefficient of linear expansion…
Two different metal bodies A and B of equal mass are heated at a uniform rate under similar conditions. The variation o…
A 2   kg steel rod of length 0 . 6   m is clamped on a table vertically at its lower end and is free to rotat…
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