FBISE · Class 9

Class 9 Physics MCQs: Physical Quantities & Measurement

Practice chapter-wise MCQs with answers and explanations. Use the quiz mode for timed online tests.

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Quick revision

Class 9 Physics MCQs Physical Quantities & Measurement are one of the fastest ways to improve your board exam performance — especially when you practice with purpose, revise weak concepts, and learn from explanations.

On Prepzy, you can practice 31 MCQs from “Physical Quantities & Measurement” in Physics for FBISE. Each question is designed to mirror the style, wording, and concept-testing approach used in Pakistani board papers.

Use this chapter page to revise definitions, formulas, and key ideas, then attempt the MCQs in small sets. Track patterns in your mistakes: is it a concept gap, a calculation error, or a misread statement? Fixing the pattern is what raises your score.

If you’re preparing for matric / SSC Part exams, focus on understanding the concept first, then speed. MCQs reward clarity — not memorization. A clear concept turns into fast correct answers.

What to focus on

  • Primary focus: Physical Quantities & Measurement concepts tested in Class 9 Physics
  • Practice with instant answer-checking to reduce repeated mistakes
  • Revise common definitions, units, and standard results before timed practice
  • Aim for accuracy first, then build speed with short quizzes

Study tips

  • Read the question stem first, then scan options for distractors (near-correct choices).
  • If the chapter is formula-heavy, write a mini-formula sheet and revise it before every attempt.
  • After each practice set, re-attempt only the wrong MCQs to convert weak areas into strengths.
  • Mix easy + medium MCQs for momentum, then finish with hard questions for exam readiness.

MCQs (sample)

Showing 25 questions from this chapter. For a full timed test, use “Start online test”.

  1. 1. What is mainly studied in physics?

    • Living things
    • Matter, energy, and their interactions
    • History of science
    • Earth only
    Answer & explanation

    Correct: Matter, energy, and their interactions

    Physics studies matter, energy, and how they interact with each other.

  2. 2. What are physical quantities?

    • Things we can measure with tools.
    • Feelings and emotions.
    • Thoughts and ideas.
    • Artistic expressions.
    Answer & explanation

    Correct: Things we can measure with tools.

    Physical quantities are measurable using tools like rulers and thermometers.

  3. 3. Why are physical quantities considered essential to the study of physics?

    • They provide a standard framework for surveying human emotions.
    • They eliminate the need for indirect measurement instruments.
    • The laws and principles of physics are expressed through them.
    • They allow observers to change scientific facts based on perception.
    Answer & explanation

    Correct: The laws and principles of physics are expressed through them.

    The text highlights that the foundation of physics rests upon physical quantities because they serve as the language to express scientific principles.

  4. 4. What is the primary characteristic that defines a physical quantity according to the text?

    • It relies entirely on the subjective interpretation of an observer.
    • It can be measured directly or indirectly using tools and instruments.
    • It is used exclusively to analyze human social interactions.
    • It cannot be qualitatively compared using predetermined criteria.
    Answer & explanation

    Correct: It can be measured directly or indirectly using tools and instruments.

    Physical quantities are distinguished by our ability to quantify them objectively using measurement tools like rulers, clocks, or thermometers.

  5. 5. Why is physics divided into different branches?

    • To make it difficult
    • Because physics is a vast subject
    • To reduce the syllabus
    • Because scientists disagree
    Answer & explanation

    Correct: Because physics is a vast subject

    Physics covers many topics, so it is divided into branches for easier study.

  6. 6. Which of the following is a physical quantity?

    • Love
    • Time
    • Wisdom
    • Beauty
    Answer & explanation

    Correct: Time

    Time can be measured using clocks, making it a physical quantity.

  7. 7. Which of the following groups contains ONLY non-physical quantities?

    • Length, volume, and density
    • Fear, beauty, and affection
    • Time, temperature, and wisdom
    • Density, love, and a clock
    Answer & explanation

    Correct: Fear, beauty, and affection

    Fear, beauty, and affection pertain to human emotions and observer perception, meaning they cannot be measured with physical instruments.

  8. 8. Which of the following is a branch of physics?

    • Botany
    • Zoology
    • Mechanics
    • Geography
    Answer & explanation

    Correct: Mechanics

    Mechanics is a major branch of physics that deals with motion and forces.

  9. 9. Why can't we measure love or affection with tools?

    • They are not important.
    • They cannot be quantified with numbers.
    • They are always changing.
    • They are types of physical quantities.
    Answer & explanation

    Correct: They cannot be quantified with numbers.

    Love and affection are feelings, not measurable like physical quantities.

  10. 10. How are non-physical quantities like wisdom or beauty typically evaluated since they lack physical measuring tools?

    • By calculating their degree of hotness with a thermometer
    • By converting them into basic units of length and time
    • Through direct calibration against physics instruments
    • Through qualitative criteria, indices, or survey techniques
    Answer & explanation

    Correct: Through qualitative criteria, indices, or survey techniques

    Because they are subjective, non-physical quantities rely on structured qualitative assessments, surveys, or predetermined indices to be compared and analyzed.

  11. 11. The branch of physics that studies motion and forces is called:

    • Optics
    • Thermodynamics
    • Mechanics
    • Quantum Physics
    Answer & explanation

    Correct: Mechanics

    Mechanics deals with the motion of objects and the forces acting on them.

  12. 12. Which one of these tools measures temperature?

    • Ruler
    • Thermometer
    • Stopwatch
    • Scale
    Answer & explanation

    Correct: Thermometer

    A thermometer is specifically designed to measure temperature.

  13. 13. Which branch of physics deals with light?

    • Optics
    • Mechanics
    • Relativity
    • Thermodynamics
    Answer & explanation

    Correct: Optics

    Optics is the branch of physics that studies light and its behavior.

  14. 14. How are non-physical quantities usually described?

    • By measuring with tools.
    • By comparing them or using surveys.
    • By counting them.
    • By calculating with numbers.
    Answer & explanation

    Correct: By comparing them or using surveys.

    Non-physical quantities are described qualitatively or through comparisons.

  15. 15. The study of heat and temperature belongs to:

    • Optics
    • Thermodynamics
    • Mechanics
    • Electromagnetism
    Answer & explanation

    Correct: Thermodynamics

    Thermodynamics focuses on heat, temperature, and energy transfer.

  16. 16. What is the main role of physical quantities in physics?

    • To express laws and principles.
    • To describe emotions.
    • To entertain people.
    • To gather opinions.
    Answer & explanation

    Correct: To express laws and principles.

    Physical quantities help express the laws and principles of physics.

  17. 17. Which branch studies electricity and magnetism?

    • Relativity
    • Atomic Physics
    • Electromagnetism
    • Optics
    Answer & explanation

    Correct: Electromagnetism

    Electromagnetism deals with electric and magnetic phenomena.

  18. 18. Which of these is NOT a physical quantity?

    • Density
    • Temperature
    • Fear
    • Length
    Answer & explanation

    Correct: Fear

    Fear is an emotion and cannot be measured like other physical quantities.

  19. 19. The branch that deals with vibrations and waves is:

    • Oscillations and Waves
    • Mechanics
    • Optics
    • Relativity
    Answer & explanation

    Correct: Oscillations and Waves

    Oscillations and Waves studies vibrations, sound, and wave motion.

  20. 20. Quantum Physics mainly studies:

    • Large planets
    • Very small particles and atoms
    • Light only
    • Weather changes
    Answer & explanation

    Correct: Very small particles and atoms

    Quantum Physics explains the behavior of matter and energy at very small scales.

  21. 21. Atomic Physics is related to the study of:

    • Atoms
    • Stars
    • Plants
    • Rocks
    Answer & explanation

    Correct: Atoms

    Atomic Physics focuses on the structure and behavior of atoms.

  22. 22. Nuclear Physics mainly deals with:

    • Sound waves
    • The nucleus of atoms
    • Mirrors and lenses
    • Heat engines
    Answer & explanation

    Correct: The nucleus of atoms

    Nuclear Physics studies the nucleus of atoms and nuclear reactions.

  23. 23. Which branch helps us understand how glasses and cameras work?

    • Optics
    • Mechanics
    • Thermodynamics
    • Relativity
    Answer & explanation

    Correct: Optics

    Optics explains how light behaves in lenses, mirrors, and optical devices.

  24. 24. Which branch explains the working of electric motors and generators?

    • Electromagnetism
    • Optics
    • Quantum Physics
    • Thermodynamics
    Answer & explanation

    Correct: Electromagnetism

    Electric motors and generators operate using electromagnetic principles.

  25. 25. New branches of physics continue to increase because:

    • Physics is becoming smaller
    • Technology is progressing
    • Old branches disappear
    • Students demand it
    Answer & explanation

    Correct: Technology is progressing

    Advances in technology create new areas of research in physics.

FAQs

Are these Class 9 Physics MCQs Physical Quantities & Measurement aligned with FBISE?

Yes. The MCQs are organized chapter-wise for FBISE and designed to match board exam patterns. If your teacher has added custom MCQs, they will also appear here.

How many MCQs should I practice from “Physical Quantities & Measurement” each day?

A good daily target is 20–40 MCQs with full review of mistakes. If you’re short on time, do 15 MCQs but read explanations carefully.

What’s the best way to revise this chapter before an exam?

Revise the chapter summary, list your weak sub-topics, then practice MCQs in timed sets. Re-attempt wrong questions after a short break to lock in learning.

Can I take an online test for this chapter?

Yes. Start a chapter quiz to simulate an online test. Use it to improve speed and accuracy under time pressure.