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BITSAT Physics Thermodynamics 2021 BITSAT 2021

BITSAT Physics Question (2021) — Solution

Question

An ideal gas at atmospheric pressure is adiabatically compressed so that its density becomes 32 times of its initial value. If the final pressure of gas is 128 atmospheres, the value of ' ' of the gas is :

Options

  1. A. 1.5
  2. B. 1.4
  3. C. 1.3
  4. D. 1.6

Answer

B. 1.4

Step-by-step solution

Volume v= m d and using PV ^ = constant array l P ^ P = V V ^ = ( d ^ d )^ \\ or 128=(32)^ \\ = 7 5 =1.4 array

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