NEET 2022 Phase 1 | Heat and Thermodynamics Question 17 | Physics

An ideal gas undergoes four different processes from the same initial state as shown in the figure below. Those processes are adiabatic, isothermal, isobaric and isochoric. The curve which represents the adiabatic process among 1, 2, 3 and 4 is

NEET 2022 Phase 1 Physics - Heat and Thermodynamics Question 18 English

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

The volume occupied by the molecules contained in 4.5 kg water at STP, if the intermolecular forces vanish away is

5.6 $$\times$$ 10⁶ m³

5.6 $$\times$$ 10³ m³

5.6 $$\times$$ 10^$$-$$3 m³

5.6 m³

NEET 2021

MCQ (Single Correct Answer)

-1

A cup of coffee cools from 90$$^\circ$$C to 80$$^\circ$$C in t minutes, when the room temperature is 20$$^\circ$$C. The time taken by a similar cup of coffee to cool from 80$$^\circ$$C to 60$$^\circ$$C at a room temperature same at 20$$^\circ$$C is :

$${5 \over {13}}$$t

$${13 \over {10}}$$t

$${13 \over {5}}$$t

$${10 \over {13}}$$t

NEET 2021

MCQ (Single Correct Answer)

-1

Match Column - I and Column - II and choose the correct match from the given choices.

	Column - I		Column - II
(A)	Root mean square speed of gas molecules	(P)	$${1 \over 3}nm{\overline v ^2}$$
(B)	Pressure exerted by ideal gas	(Q)	$$\sqrt {{{3RT} \over M}} $$
(C)	Average kinetic energy of a molecule	(R)	$${5 \over 2}RT$$
(D)	Total internal energy of 1 mole of a diatomic gas	(S)	$${3 \over 2}{k_B}T$$

(A) - (R), (B) - (Q), (C) - (P), (D) - (S)

(A) - (R), (B) - (P), (C) - (S), (D) - (Q)

(A) - (Q), (B) - (R), (C) - (S), (D) - (P)

(A) - (Q), (B) - (P), (C) - (S), (D) - (R)

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