Specific Heat and Calorimetry MCQs

Prepare for Specific Heat and Calorimetry MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

76 Solved Questions • 57 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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Specific Heat and Calorimetry 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.

76 MCQs Page 1

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Topic Notes: Specific Heat and Calorimetry

Quick Revision 3 min read 14 key points
Section 1 of 4

1 1. Fundamental Concepts

4 points
  • Definition
    Specific Heat Capacity (c): The amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius or Kelvin. SI unit is J kg⁻¹ K⁻¹.
  • Definition
    Thermal Capacity (Heat Capacity): The product of the mass of an object and its specific heat capacity (C = mc). It represents the total heat required to raise the entire object's temperature by one unit.
  • Definition
    Calorimetry: The experimental technique of measuring heat exchange between bodies. It relies on the Principle of Conservation of Energy: Heat lost by hot bodies equals heat gained by cold bodies.
  • Theory
    Latent Heat (L): The energy absorbed or released during a phase change at constant temperature. Q = mL, where L is the specific latent heat of fusion or vaporization.
Section 1 / 4
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1
In a simple model, the unforced rising of hot air can be attributed to:
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2
The specific heat of lead is 0.030 cal/gC°. 300 g of lead shot at 100°C is mixed with 100 g of water at 70°C in an insulated container, the final temperature of the mixture is:
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3
The instrument used for measuring purity of milk is
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4
Density of milk is measured by __.
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5
To detect infrared radiation we use
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6
The voltage applied to a small heater is 60 V. If its resistance is 30 Ω, then current will be
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7
Two wires of resistances R and 2R are connected in parallel. The ratio of heat generated in 2R and R is
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8
Two wires having resistances R and 2R are connected in parallel. The ratio of heat generated in 2R and R is
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9
Which physical law expresses the relationship between the heat generated and the current through a conductor?
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10
What is the ratio of the heat generated in R and 2R?
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Pedagogical Syllabus Blueprint

Specific Heat and Calorimetry 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 Specific Heat and Calorimetry 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 Specific Heat and Calorimetry 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.