Gas Laws and Ideal Gas Equation MCQs

Prepare for Gas Laws and Ideal Gas Equation MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

196 Solved Questions • 147 Mins Practice • Updated for 2026 Competitive Exams
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Gas Laws and Ideal Gas Equation constitutes an essential examination topic within Physics, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Welcome to the verified preparation module for Heat & Thermodynamics on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Heat & Thermodynamics (Physics).

100% Verified Answer Keys CSS, PMS, FPSC, PPSC, NTS Ready 2026/2027 Syllabus Guidelines

Solved Questions

Practice with answers, explanations, and exam-focused revision notes.

196 MCQs Page 19

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181
124. If Eo and Ex represent the average kinetic energy of a molecule of oxygen and nitrogen and the two gases are at the same temperature, which of the following is correct ?
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182
Two gases X and Y, having the equivalent temperature, pressure and volume, are mixed. If the combination has the volume V and temperature T respectively then the pressure of the mixture will be ____.
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184
The temperature of a gas is a measure of:
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185
For a gas of volume V in its equilibrium state, if the pressure does change with time then total kinetic energy of gas is constant because:
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186
The terminal velocity of a small droplet moving through a fluid is given by the relation
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187
When the temperature of a gas is raised from 27°C to 90°C, the percentage increase in the r.m.s. velocity of the molecules will be:
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188
The gas in a vessel is subjected to a pressure of 20 atm at a temperature of 27°C. The pressure of the gas in the vessel after one half the mass of the gas is released from the vessel and the temperature of the remainder is raised by 50°C is
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189
The pressure of a gas is directly proportional to
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190
Tick the correct pair when M denotes molecular mass and other symbols carry usual meanings:
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Pedagogical Syllabus Blueprint

Gas Laws and Ideal Gas Equation MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Gas Laws and Ideal Gas Equation MCQs consistently constitute a decisive 10% to 25% weightage of the Heat & Thermodynamics paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Gas Laws and Ideal Gas Equation MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Physics, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.