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.

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21
Which of the following is a transport optical element with flat, polished surfaces that refract light?
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22
An object is placed to the left of a glass hemisphere with radius 1 m and index of refraction 1.5. Where is the image of this object formed? The distance of the object from the plane surface of the hemisphere is 2 m.
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23
A fish in water sees an object 24 cm above the surface of water. The height of object above the surface of water that will appear to fish is
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24
Which parameter is an indication of colour of a star?
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25
If a red and a green pencil are taken in a room lighted with green light then red pencil will appear dark and ____.
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26
87. The force required to separate two glass plates of area 10^-2 m^2 with a film of water 0.05 mm thick between them is (surface tension of water is 70 × 10^-3 N/m)
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27
A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side parallel to surface. When the plate is clean (θ = 0°), it appears to weigh 0.044 N. But when the plate is greasy (θ = 180°), it appears to weigh 0.03 N. The surface tension of water is
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28
A ring is cut from a platinum tube having 8.5 cm internal and 8.7 cm external diameter. It is supported horizontally from a pan of a balance so that it comes in contact with the water in glass vessel. If an extra 3.97 gram weight is required to pull it away from water, the surface tension of water is
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29
The amount of work done in increasing the size of a soap film from 6 cm x 4 cm to 12 cm x 8 cm is (surface tension 30 dyne/cm)
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30
A loop of 6.28 cm long thread is put gently on a soap film in a wire loop. The film is pricked with a needle inside the soap film enclosed by the thread. If surface tension of soap solution is 0.030 N m^-1, then the tension in the thread is
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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.