Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoKTGMedium2 minQB
PhysicsMediumsingle choice
Passage / Comprehension
Consider a gas at temperature T occupying a volume V consisting of a mixture of two gases having Na & Nb atoms of masses ma & mb respectively.
Suppose now that and that the different atoms combine at constant volume to form molecules of mass . Once the temperature returns to its original value, what would be the ratio of the pressure after combination to the pressure before?
Options:
Answer:
C
Solution:
After getting combined the number of moles becomes half in this case. At constant V and T, , so P becomes half: ratio 1/2.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:KTG
⏱ 2mℹ️ Source: QB
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