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First Law of Thermodynamics MCQs

Prepare for First Law of Thermodynamics MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: First Law of Thermodynamics

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Master First Law of Thermodynamics MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for First Law of Thermodynamics.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for First Law of Thermodynamics MCQs

When preparing for First Law of Thermodynamics MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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1
According to Kirchhoff's 1st rule
2
In the periodic table, semi-conductors belong to:
3
According to first law of thermodynamics which of the following is true
4
Which equation describes the first law of thermodynamics?
5
First law of thermodynamics when applied to an adiabatic process becomes:
6
First law of thermodynamics is merely a statement of law of conservation of:
7
The first law of thermodynamics is stated as ΔE = ΔQ + ΔW. Which of the quantities ΔU, ΔQ and ΔW are zero when the system is an ideal gas that undergoes a change at constant temperature?
8
First law of thermodynamics is a special case of
9
First law of thermodynamics corresponds to
10
For the isothermal process shown, what is the mathematical form of the first law of thermodynamics for the system?