IIT-JEE 2011 Paper 1 Offline | Heat and Thermodynamics Question 52 | Physics

1

IIT-JEE 2011 Paper 1 Offline

MCQ (Single Correct Answer)

+2

-0.5

5.6 liter of helium gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be T₁, the work done in the process is

A

$${9 \over 8}R{T_1}$$

B

$${3 \over 2}R{T_1}$$

C

$${15 \over 8}R{T_1}$$

D

$${9 \over 2}R{T_1}$$

2

IIT-JEE 2011 Paper 2 Offline

MCQ (Single Correct Answer)

+3

-1

One mole of a monatomic gas is taken through a cycle ABCDA as shown in the PV diagram. Column II give the characteristics involved in the cycle. Match them with each of the processes given in Column I.

IIT-JEE 2011 Paper 2 Offline Physics - Heat and Thermodynamics Question 21 English

	Column I		Column II
(A)	Process A$$ \to $$ B	(P)	Internal energy decreases.
(B)	Process B$$ \to $$C	(Q)	Internal energy increase.
(C)	Process C$$ \to $$D	(R)	Heat is lost.
(D)	Process D$$ \to $$A	(S)	Heat is gained.
		(T)	Work is done on the gas.

A

(A)$$\to$$(P), (R), (T); (B)$$\to$$(P), R; (C)$$\to$$(Q), (S); (D)$$\to$$(R), (T)

B

(A)$$\to$$(P), (T); (B)$$\to$$(P), (R); (C)$$\to$$(Q), (S); (D)$$\to$$(R)

C

(A)$$\to$$(R), (T); (B)$$\to$$(P), (R); (C)$$\to$$(S); (D)$$\to$$(R), (T)

D

(A)$$\to$$(P), (R), (T); (B)$$\to$$(P), (R); (C)$$\to$$(Q); (D)$$\to$$(R), (T)

3

IIT-JEE 2010 Paper 1 Offline

MCQ (Single Correct Answer)

+2

-0.5

A real gas behaves like an ideal gas if its

A

pressure and temperature are both high

B

pressure and temperature are both low

C

pressure is high and temperature is low

D

pressure is low and temperature is high

4

IIT-JEE 2009 Paper 2 Offline

MCQ (Single Correct Answer)

+3

-0

Column II gives certain systems undergoing a process. Column I suggests changes in some of the parameters related to the system. Match the statements in Column I to the appropriate process(es) from Column II:

	Column I		Column II
(A)	The energy of the system is increased.	(P)	System : A capacitor, initially uncharged. Process : It is connected to a battery.
(B)	Mechanical energy is provided to the system, which is converted into energy of random motion of its parts.	(Q)	System : A gas in an adiabatic container filled with an adiabatic piston. Process : The gas is compressed by pushing the piston.
(C)	Internal energy of the system is converted into its mechanical energy.	(R)	System : A gas in a rigid container. Process : The gas gets cooled due to colder atmosphere surrounding it.
(D)	Mass of the system is decreased.	(S)	System : A heavy nucleus, initially at rest. Process : The nucleus fissions into two fragments of nearly equal masses and some neutrons are emitted.
		(T)	System : A resistive wire loop. Process : The loop is placed in a time varying magnetic field perpendicular to its plane.

A

(A)$$\to$$(P), (S), (T); (B)$$\to$$(Q); (C)$$\to$$(S); (D)$$\to$$(S), (R)

B

(A)$$\to$$(P), (Q), (T); (B)$$\to$$(Q); (C)$$\to$$(S); (D)$$\to$$(S)

C

(A)$$\to$$(P), (Q), (T); (B)$$\to$$(T); (C)$$\to$$(S); (D)$$\to$$(S)

D

(A)$$\to$$(S), (Q), (T); (B)$$\to$$(Q); (C)$$\to$$(S); (D)$$\to$$(S)