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First Law: Internal Energy and Work Done MCQs

Prepare for First Law: Internal Energy and Work Done MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Physics

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Physics MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Physics.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Physics MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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326031
14 men can complete a job in 15 days working 6 hours per day. How many days will 19 men take if they work 4 hours per day?
326032
12 men can complete a job in 33 days working 6 hours per day. How many days will 17 men take if they work 4 hours per day?
326033
10 men can complete a job in 15 days working 6 hours per day. How many days will 15 men take if they work 4 hours per day?
326034
14 men can complete a job in 37 days working 8 hours per day. How many days will 19 men take if they work 6 hours per day?
326035
14 men can complete a job in 21 days working 8 hours per day. How many days will 19 men take if they work 6 hours per day?
326036
10 men can complete a job in 33 days working 8 hours per day. How many days will 15 men take if they work 6 hours per day?
326037
14 men can complete a job in 45 days working 8 hours per day. How many days will 19 men take if they work 6 hours per day?
326038
13 men can complete a job in 19 days working 9 hours per day. How many days will 18 men take if they work 7 hours per day?
326039
14 men can complete a job in 43 days working 6 hours per day. How many days will 19 men take if they work 4 hours per day?
326040
15 men can complete a job in 25 days working 9 hours per day. How many days will 20 men take if they work 7 hours per day?