JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 30 January 2024, Shift 2, Physics Q38

Question 38 of 90 in this shift, Physics question 8 of 30, Section A.

Choose the correct statement for processes

A

B

shown in figure.

The figure, in words

P-V diagram with two decreasing curves A and B starting from different points and meeting at the lower right; arrows on both curves point toward the meeting point; A is the flatter curve, B the steeper.

(1) $PV = k$ for process $B$ and $A$ .
(2) $PV^\gamma = k$ for process $B$ and $PV = k$ for process $A$ .Official answer
(3) $\frac{P^{\gamma-1}}{T^\gamma} = k$ for process $B$ and $T = k$ for process $A$ .
(4) $\frac{T^\gamma}{P^{\gamma-1}} = k$ for process $A$ and $PV = k$ for process $B$ .

Official answer

Option 2

NTA final key.

Chapter: Thermodynamics
Topic: Thermodynamic Processes
Idea tested: P-V Curve Slopes

Same topic in other shifts

All Thermodynamic Processes questions

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.