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Question

How much should the pressure of the gas be increased to decrease the volume by 10% at constant temperature ?


  1. 9.5%
  2. 11.11%
  3. 10%
  4. 5.11%

A
9.5%
B
11.11%
C
5.11%
D
10%
Solution
Verified by Toppr

Let, P1 and P2 are the initial and final pressure.
and V1 and V2 are the initial and final volume.
Use P2×V2 = P1×V1
Now, V2 = 90V1100
So, P2=(109)P1
Now, P2P1 = Change in pressure = P19
So, percentage change = 11.11%

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