Surface Tension and Capillarity MCQs

Prepare for Surface Tension and Capillarity MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

134 Solved Questions • 101 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Surface Tension and Capillarity MCQs 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 Properties of Matter (Physics).

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

Direct Definition & Conceptual Scope

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Surface Tension and Capillarity 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.

134 MCQs Page 6

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51
2. The unit of surface tension in M.K.S. units is given by
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52
A copper cube of side 2 cm is heated and suspended in an evacuated enclosure. Its temperature is found to fall from 100°C to 98°C in 72 s. Another copper cube of side 3 cm with similar surface nature is suspended in a similar manner. The time required for this cube to cool from 100°C to 98°C will be
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53
Two solid subjects of radii R1 and R2 are heated on identical temperature and permitted to cool under similar circumstances. Their rates of cooling are in the ratio of
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54
A ball is dropped from a height of 1 m. If coefficient of restitution between surface and ball is 0.6, the ball rebounds to a height of
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55
What happens to the water level when a capillary tube is replaced with one that has an insufficient length for the capillary rise?
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56
What is the relationship between the excess pressure inside a spherical liquid bubble and its radius?
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57
What physical phenomenon causes a liquid drop to contract and minimize its surface area?
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58
Why do water droplets fail to adhere to an oily surface?
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59
What physical mechanism is responsible for the absorption of ink by blotting paper?
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60
Evaluate the following statements regarding surface tension: 1. Surface tension depends on length but not area. 2. The SI unit is N/m. 3. It is a scalar quantity. Which are correct?
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Pedagogical Syllabus Blueprint

Surface Tension and Capillarity 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 Surface Tension and Capillarity MCQs consistently constitute a decisive 10% to 25% weightage of the Properties of Matter 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 Surface Tension and Capillarity 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.