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QJEEM22Ph0279: JEE Main 2022 Physics - Class 11 JEEM22Ph0279 Solution: A certain amount of gas of volume V at 27 ∘ C temperature and…

A certain amount of gas of volume V at 27∘C temperature and pressure 2×107Nm−2 expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets redoubled. The final pressure of the gas will be (Use γ=1.5) :

Multiple Choice Options

  • A 3.536×105 Pa
  • B 3.536×106 Pa
  • C 1.25×106 Pa
  • D 1.25×105 Pa

Step-by-Step Verified Solution

JEE Main 2022 (Online) 25th July Morning Shift Physics - Heat and Thermodynamics Question 145 English Explanation

Let AB is isothermal process and BC is adiabatic process then for AB process

PAVA = PBVB

⇒ PB = 107 Nm−2

For process BC

PBVBr = PC VCr

PC = 3.536 x × 106 Pa

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