MHT-CET · Physics

Thermodynamics — Basics (Class 11 — ~20% weight)

Zeroth, first and second laws; PV diagrams; heat engines and refrigerators.

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  • Q1 · Thermodynamics — Basics (Class 11 — ~20% weight) · EASY

    A heat engine absorbs 500 J of heat from a hot reservoir and does 200 J of work in one cycle. How much heat is rejected to the cold reservoir?

  • Q2 · Thermodynamics — Basics (Class 11 — ~20% weight) · MEDIUM

    An ideal gas undergoes an isothermal expansion at temperature 300 K. If the gas absorbs 600 J of heat during this process, what is the work done by the gas?

  • Q3 · Thermodynamics — Basics (Class 11 — ~20% weight) · HARD

    A Carnot engine operates between a hot reservoir at 500 K and a cold reservoir at 300 K. If the engine absorbs 1000 J from the hot reservoir, what is the maximum work it can do in one cycle?

  • Q4 · Thermodynamics — Basics (Class 11 — ~20% weight) · EASY

    In an isothermal process for an ideal gas:

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