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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB

PhysicsMediumsingle choice

A horizontal cylinder has two sections of unequal cross-sections, in which two pistons can move freely. The pistons are joined by a string. Some gas is trapped between the pistons. If this gas is heated, the pistons will:

Options:

Answer:

Solution:

The net force from the gas on the piston system is

$(P - P_{0}) (A_{bi g} - A_{s ma ll})$ towards the

larger piston. Heating raises $P$ , so the pistons move towards the

larger section, to the right in the figure. B.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws

⏱ 2mℹ️ Source: QB

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