Class 11 Physics simulations · Thermodynamics

First law of thermodynamics

Add heat and let the gas do work; track its internal energy.

Open the simulation

What to notice

Energy is conserved: heat in either warms the gas or is spent doing work.

Key relation

ΔU = Q − W

Try this

Add heat while the gas does an equal amount of work — ΔU stays zero.

What you can change

• Heat added Q: -100 to 200 J
• Work by gas W: -100 to 200 J

More in Thermodynamics

• Adiabatic compression and expansion
• Carnot heat engine
• Heating gas at constant pressure
• Entropy in isothermal expansion
• Petrol engine (Otto cycle)
• Work from a rectangular P–V cycle
• Refrigerator and heat pump
• Gas under a piston

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