Thermal Expansion of Solids and Liquids MCQs

Prepare for Thermal Expansion of Solids and Liquids MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

63 Solved Questions • 48 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

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

Direct Definition & Conceptual Scope

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Thermal Expansion of Solids and Liquids 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.

Solved Questions

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

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11
53. A thin wire of copper of length L increases in length by 1% when heated from T1 to T2. What is the percentage change in area when a thin copper plate having dimensions 2L × L is heated from T1 to T2?
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12
Meganewton per square metre is the same as
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13
A bimetal made of copper and iron strips welded together is straight at room temperature. It is held vertically so that the iron strip is towards the left hand and the copper strip towards the right hand. This bimetal is then heated by a flame. The bimetal will remain
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14
The coefficient of volume expansion is how many times the coefficient of linear expansion?
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15
33. What must be the lengths of a steel and a copper rods at 0°C for their difference to be 10 cm at any temperature? The coefficients of linear expansion for steel and copper are 1.2 × 10^-5 K^-1 and 1.8 × 10^-5 K^-1 respectively.
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16
52. If the length of a cylinder on heating increases by 2%, the area of its base will increase by
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18
On heating a liquid of coefficient of cubical expansion y in a container having coefficient of linear expansion a (where a = y/3), the level of liquid in the container
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19
Two spheres of the same radius are made from the same material. One is hollow and the other is solid. If they are heated from 20°C to 100°C, then
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20
When a gas filled in a closed vessel is heated through 1°C, its pressure increases by 0.4%. The initial temperature of the gas was
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Pedagogical Syllabus Blueprint

Thermal Expansion of Solids and Liquids 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 Thermal Expansion of Solids and Liquids 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 Thermal Expansion of Solids and Liquids 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.