Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7)

Prepare for Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7) with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

519 Solved Questions • 390 Mins Practice • Updated for 2026 Competitive Exams
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2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7) 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 Physics (Physics).

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

Direct Definition & Conceptual Scope

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Reflection and Refraction at Plane and Curved Surfaces (Page 7) 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.

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519 MCQs Page 7

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61
82. The Daniell cell is balanced on 125 cm length of a potentiometer. Now the cell is short circuited by a resistance 2 ohm and the balance is obtained at 100 cm. The internal resistance of the Daniell cell is
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62
A galvanometer having a resistance of 8 Ω is moved by a wire of resistance 2 Ω. If the total current is 1 A then the part of it passing through the shunt will be ____.
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63
409 Two wires P and Q, each of same length and the same material are connected in parallel to a battery. The diameter of P is half that of Q. What fraction of the total current passes through P?
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64
23. The resistance of a voltmeter is 120 ohm. When it is connected to a battery of 9 volt e.m.f. and having an internal resistance of 15 ohm, the reading of the voltmeter is
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65
116. Light is incident from a medium into air at two possible angles of incidence, (1) 20° and (2) 40°. In the medium light travels 3.0 cm in 0.2 ns. The ray will
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66
If the critical angle for total internal reflection from a medium to vacuum is 30°, the velocity of light in the medium is
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67
Sunlight can undergo total internal reflection if it enters from
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68
In optical fibres, propagation of light is due to:
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69
The phenomenon of bending of light at the surface of separation of two media is called
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70
The relation between angle of incidence and angle of refraction is known as
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Pedagogical Syllabus Blueprint

Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7): 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 Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7) consistently constitute a decisive 10% to 25% weightage of the Physics 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 Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 7), 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.