Match List $I$ with List $\mathrm{II}.$ List $I$ List $\mathrm{II}$ (a) Isothermal (i) Pressure constant (b) Isochoric (ii) Temperature constant (c) Adiabatic (iii) Volume constant (d) Isobaric (iv) Heat content is constant Choose the correct answer from the options given below:

Match List I with List II. List I List II (a) Isothermal (i)… - JEE Main 2021 Physics PYQ

JEE Main 2021 — Physics Thermodynamics

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Match List $I$ with List $\mathrm{II}.$

	List $I$		List $\mathrm{II}$
(a)	Isothermal	(i)	Pressure constant
(b)	Isochoric	(ii)	Temperature constant
(c)	Adiabatic	(iii)	Volume constant
(d)	Isobaric	(iv)	Heat content is constant

Choose the correct answer from the options given below:

Official previous-year question

Held on 24 Feb 2021 · Verified 6 Jul 2026.

Options

A
$(a)\rightarrow (\mathrm{ii}),(b)\rightarrow (\mathrm{iii}),(c)\rightarrow (\mathrm{iv}),(d)\rightarrow (i)$
B
$(a)\rightarrow (\mathrm{iii}),(b)\rightarrow (\mathrm{ii}),(c)\rightarrow (i),(d)\rightarrow (\mathrm{iv})$
C
$(a)\rightarrow (i),(b)\rightarrow (\mathrm{iii}),(c)\rightarrow (\mathrm{ii}),(d)\rightarrow (\mathrm{iv})$
D
$(a)\rightarrow (\mathrm{ii}),(b)\rightarrow (\mathrm{iv}),(c)\rightarrow (\mathrm{iii}),(d)\rightarrow (i)$

Did you get this right?

Solution

$(a)$ Isothermal $\Rightarrow$ Temperature constant

$(a)$ $\rightarrow$ $(\mathrm{ii})$

(b) Isochoric $\Rightarrow$ Volume constant

$(b)$ $\rightarrow$ $(\mathrm{iii})$

$(c)$ Adiabatic $\Rightarrow \Delta Q=0$

$\Rightarrow$ Heat content is constant

$(c)$ $\rightarrow$ $(\mathrm{iv})$

$(d)$ Isobaric $\Rightarrow$ Pressure constant

$(d)$ $\rightarrow$ $(i)$

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Options

$(a)\rightarrow (\mathrm{ii}),(b)\rightarrow (\mathrm{iii}),(c)\rightarrow (\mathrm{iv}),(d)\rightarrow (i)$

$(a)\rightarrow (\mathrm{iii}),(b)\rightarrow (\mathrm{ii}),(c)\rightarrow (i),(d)\rightarrow (\mathrm{iv})$

$(a)\rightarrow (i),(b)\rightarrow (\mathrm{iii}),(c)\rightarrow (\mathrm{ii}),(d)\rightarrow (\mathrm{iv})$

$(a)\rightarrow (\mathrm{ii}),(b)\rightarrow (\mathrm{iv}),(c)\rightarrow (\mathrm{iii}),(d)\rightarrow (i)$

Solution

$(a)$ Isothermal $\Rightarrow$ Temperature constant

$(a)$ $\rightarrow$ $(\mathrm{ii})$

(b) Isochoric $\Rightarrow$ Volume constant

$(b)$ $\rightarrow$ $(\mathrm{iii})$

$(c)$ Adiabatic $\Rightarrow \Delta Q=0$

$\Rightarrow$ Heat content is constant

$(c)$ $\rightarrow$ $(\mathrm{iv})$

$(d)$ Isobaric $\Rightarrow$ Pressure constant

$(d)$ $\rightarrow$ $(i)$

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Solution

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Mechanics

Electromagnetism

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