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Principles of Communication: Modulation (AM/FM) and Demodulation MCQs

Prepare for Principles of Communication: Modulation (AM/FM) and Demodulation MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Practice Questions

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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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327571
If n is a natural number then $n^3–n$ is always divisible by... (a) 8 (b) 6 (c) 5 (d) 4
327572
Find the two-digit number such that the sum of its digits is 8 and the digits of the number get reversed when 36 is added to it. (a) 71 (b) 35 (c) 62 (d) 26
327573
Find the smallest four-digit number that is divisible by 47. (a) 1200 (b) 1025 (c) 1034 (d) 1360
327574
A number when divided by 280 leaves 73 as the remainder. When the same number is divided by 35, the remainder will be: (a) 4 (b) 2 (c) 3 (d) 7
327575
If the largest 4–digit number is subtracted from the smallest 6-digit number, then the remainder will be: (a) 90000 (b) 99991 (c) 80001 (d) 90001
327576
If the 7-digit number $504x5y3$ is divisible by 11, then one of the values of the sum of x and y is: (a) 11 (b) 5 (c) 17 (d) 7
327577
Which of the following numbers is divisible by 6? (a) 12378 (b) 12363 (c) 12370 (d) 12388
327578
Which of the following numbers is divisible completely by both 9 and 11? (a) 277218 (b) 10098 (c) 12345 (d) 181998
327579
What should be added to 135642 to get the largest six digit number? (a) 864350 (b) 863357 (c) 864357 (d) 864347
327580
How many numbers between 1 and 99 (inclusive) have a non-zero tens digit? (a) 98 (b) 90 (c) 99 (d) 100