NEET Physics Thermodynamics Questions Solved


The volume of air increases by 5% in its adiabatic expansion. The percentage decrease in its pressure will be -

(1) 5%

(2) 6%

(3) 7%

(4) 8%

Concept Videos :-

#3 | Thermodynamic Processes
#4 | Isobaric Process
#5 | Isochoric & Isothermal Process
#6 | Interconversion of Graphs
#7 | Solved Example: 1
#8 | Solved Example: 2
#9 | Adiabatic Process
#10 | Solved Example: 3
#11 | Graphs in Adiabatic Process: 1
#12 | Graphs in Adiabatic Process: 2

Concept Questions :-

Types of processes

(3) PVγ=K or PγVγ1dV+dP.Vγ=0

or dPP=γdVV or dPP×100=γdVV×100

= –1.4 × 5 = 7%

Difficulty Level:

  • 31%
  • 21%
  • 43%
  • 7%
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