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GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

GyanMul Prep · NEB +2 · Science · Grade 12

Physics (Science, Grade 12)

Everything on these tabs is Physics (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapter 4 of 25 · Physics (Science, Grade 12)

First Law of Thermodynamics

7 topics
Board exam — Heat and Thermodynamics, 7 marks across 2 chapters
23 solved questions

Energy conservation written for a gas: the work an expanding gas does, the two heat capacities and why they differ, and the four standard processes traced on a p–V diagram.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Thermodynamic system, state variables and thermodynamic equilibrium
2Work done by an expanding gas and the p–V diagram
3Heat capacities of a gas at constant volume and constant pressure
4Relation between Cp and Cv (Mayer's relation)
5Isothermal and adiabatic processes
6Isochoric and isobaric processes
7First law of thermodynamics and its applications