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Certain perfect gas is found to obey PV3/2 = constant during an adiabatic process. If such a gas at initial temperature T is adiabatically compressed to half the initial volume, its final temperature will be
  • a)
    √2 T
  • b)
    2 T
  • c)
     2√2 T
  • d)
    4 T
Correct answer is option 'A'. Can you explain this answer?
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Certain perfect gas is found to obey PV3/2= constantduring an adiabati...
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Certain perfect gas is found to obey PV3/2= constantduring an adiabati...
T/2
b) T
c) 2T
d) 4T

Given that PV^3/2 = constant for the gas during an adiabatic process, we have:

P1V1^3/2 = P2V2^3/2

Since the process is adiabatic, we have:

P1V1^γ = P2V2^γ

where γ is the ratio of specific heats for the gas.

Since the gas is being adiabatically compressed to half the initial volume, we have:

V2 = V1/2

Substitute this into the equation for the adiabatic process:

P1V1^γ = P2(V1/2)^γ

Solving for P2:

P2 = P1(1/2)^(3/γ) = P1(1/2)^(3/5)

Now, for an ideal gas, the pressure and temperature are directly proportional during an adiabatic process:

P1/T1 = P2/T2

Substitute the expressions for P2 and V2:

P1/T1 = P1(1/2)^(3/5) / T2

Solving for T2:

T2 = T1/(1/2)^(3/5) = T1/(2^3/5) = T1/(2^(3/5)) = T1/2^0.6

Therefore, the final temperature after adiabatic compression to half the initial volume will be T/2^(0.6) = T/2^0.6 = T/2^3/5 = T/2^(3/5) = T/2^(0.6) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T/2^(3/5) = T
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