Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 5)

Prepare for Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 5) 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 5) 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

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Reflection and Refraction at Plane and Curved Surfaces (Page 5) 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 5

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41
A secondary battery consists of 20 cells in series each having an emf of 1.8 V when discharged and 2.6 V when charged. Internal resistance of each cell is 0.1 Ω. If the charging supply of 80 V is available, then the value of variable resistance required to maintain the charging current at a constant value of 10 amp throughout the charging period is
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42
In order to measure the true emf of an electrolytic cell, it is necessary that
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43
A coil having an inductance of 1 H and a resistance of 10 Ω is suddenly connected to a battery of emf 50 V and negligible internal resistance. The final steady current in the circuit is
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44
40. In the above question the current through the battery is
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45
An avometer can be used to act as ammeter, voltmeter or ohmmeter with the help of:
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46
95. A battery of four cells in series, each having an e.m.f. of 1.4 V and an internal resistance of 2 Ω is to be used to charge a small 2 V accumulator of negligible internal resistance. What is the charging current?
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47
In the above question the internal resistance of the source is
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48
What resistance R is required to charge a series battery of 12 lead accumulators, each of emf 2 V and internal resistance 1/24 Ω, from 240 V d.c. mains, if the charging current is not to exceed 3 A?
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49
Six 1.1 V cells with internal resistance 3.0 Ω each are connected in three parallel branches of two cells each. If the resistance of external circuit is 2.0 Ω, then the current is
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50
To get maximum current in a resistance of 3 ohm, one can use n rows of m cells (connected in series) connected in parallel. If the total number of cells is 24 and the internal resistance of a cell is 0.5 ohm, then
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Pedagogical Syllabus Blueprint

Reflection and Refraction at Plane and Curved Surfaces MCQs (Page 5): 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 5) 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 5), 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.