NEET 2017 | Heat and Thermodynamics Question 32 | Physics

A carnot engine having an efficiency of $${1 \over {10}}$$ as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is

90 J

99 J

100 J

1 J

NEET 2017

MCQ (Single Correct Answer)

-1

Thermodynamic processes are indicated in the following diagram.

NEET 2017 Physics - Heat and Thermodynamics Question 83 English

Match the following

Column-1		Column-2
P.	Process I	A.	Adiabatic
Q.	Process II	B.	Isobaric
R.	Process III	C.	Isochoric
S.	Process IV	D.	Isothermal

P $$ \to $$ C, Q $$ \to $$ A, R $$ \to $$ D, S $$ \to $$ B

P $$ \to $$ C, Q $$ \to $$ D, R $$ \to $$ B, S $$ \to $$ A

P $$ \to $$ D, Q $$ \to $$ B, R $$ \to $$ A, S $$ \to $$ C

P $$ \to $$ A, Q $$ \to $$ C, R $$ \to $$ D, S $$ \to $$ B

NEET 2017

MCQ (Single Correct Answer)

-1

A gas mixture consists of 2 moles of O₂ and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is

15 RT

9 RT

11 RT

4 RT

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

One mole of an ideal monatomic gas undergoes a process described by the equation PV³ = constant. The heat capacity of the gas during this process is

$${3 \over 2}$$ R

$${5 \over 2}$$ R

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