Class 11 Physics MCQ Chapter 1 Physical World English Medium
Are you looking for Class 11 Physics MCQ Chapter 1 Physical World English Medium? If yes, then this article is the perfect resource for AHSEC Higher Secondary First Year students. Here, you will find important multiple-choice questions (MCQs) with answers that will help you prepare effectively for your Physics examinations.
The chapter Physical World introduces students to the fascinating world of Physics and explains its importance in understanding nature and the universe. It covers topics such as the scope of Physics, fundamental forces of nature, laws of Physics, scientific methods, and the contributions of great scientists. This chapter helps students build a strong foundation for studying the more advanced concepts of Physics in later chapters.
All MCQs are prepared according to the latest AHSEC syllabus and examination pattern. These objective questions are useful for quick revision, self-assessment, and strengthening basic concepts. Regular practice will help students improve their understanding and perform better in examinations.
Whether you are preparing for class tests, annual examinations, or the AHSEC HS First Year Final Examination, these MCQ solutions will help you revise the chapter easily and gain confidence in Physics.
Part I
Class 11 Physics MCQ Chapter 1 Physical World
VSA & MCQs
II. VSA-type Questions
Q. What is Physics?
Ans: Physics is the branch of science that studies the fundamental laws of nature and their applications.
Q. What is meant by the physical world?
Ans: The physical world includes all natural phenomena, objects, and processes that can be studied through observation and experimentation.
Q. What are the two main domains of physics?
Ans: Macroscopic domain and microscopic domain.
Q. What is the macroscopic domain?
Ans: It deals with large-scale phenomena such as motion of planets and everyday objects.
Q. What is the microscopic domain?
Ans: It deals with atoms, molecules, and subatomic particles.
Q. Name the four fundamental forces.
Ans: Gravitational, electromagnetic, strong nuclear, and weak nuclear forces.
Q. Which is the strongest force in nature?
Ans: Strong nuclear force.
Q. Which is the weakest force?
Ans: Gravitational force.
Q. What is the range of gravitational force?
Ans: Infinite.
Q. What is the range of the strong nuclear force?
Ans: Very short (~10⁻¹⁵ m).
Q. What is technology?
Ans: The application of scientific knowledge for practical purposes.
Q. How does physics influence technology?
Ans: Discoveries in physics lead to technological advancements.
Q. Give one example of physics in daily life.
Ans: Electricity is used in household appliances.
Q. What is a physical law?
Ans: A statement based on experiments that describes natural phenomena.
Q. Are physical laws exact?
Ans: No, they are approximate and may change with new discoveries.
Q. What is the role of experiments in physics?
Ans: They verify theories and establish laws.
Q. What is meant by unification of forces?
Ans: Combining different forces into a single theoretical framework.
Q. What is electromagnetism?
Ans: It is the unified form of electric and magnetic forces.
Q. Who proposed the theory of relativity?
Ans: Albert Einstein
Q. Who formulated the laws of motion?
Ans: Isaac Newton
Q. What is the importance of imagination in physics?
Ans: It helps in forming new theories and concepts.
Q. What is the scientific method?
Ans: It involves observation, hypothesis, experimentation, and conclusion.
Q. What is a hypothesis?
Ans: A proposed explanation based on limited evidence.
Q. What is the scope of physics?
Ans: It ranges from subatomic particles to the entire universe.
Q. Why is physics called a fundamental science?
Ans: Because it forms the basis for other sciences like chemistry and biology.
II. General Multiple Choice Questions (MCQs)
Q1: Physics mainly deals with
(a) Living organisms
(b) Natural laws
(c) Social systems
(d) History
Ans: (b)
Q2: The study of planets belongs to
(a) Microscopic domain
(b) Macroscopic domain
(c) Quantum domain
(d) Biological domain
Ans: (b)
Q3: The strongest force is
(a) Gravitational
(b) Electromagnetic
(c) Strong nuclear
(d) Weak nuclear
Ans: (c)
Q4: The weakest force is
(a) Strong nuclear
(b) Weak nuclear
(c) Gravitational
(d) Electromagnetic
Ans: (c)
Q5: Which force has infinite range?
(a) Strong nuclear
(b) Weak nuclear
(c) Gravitational
(d) None
Ans: (c)
Q6: Technology is based on
(a) Art
(b) Science
(c) History
(d) Literature
Ans: (b)
Q7: Electromagnetic force acts between
(a) Masses
(b) Charges
(c) Nuclei
(d) Neutrons
Ans: (b)
Q8: The strong nuclear force acts within
(a) Atom
(b) Nucleus
(c) Molecule
(d) Galaxy
Ans: (b)
Q9: The weak nuclear force is responsible for
(a) Gravitation
(b) Radioactive decay
(c) Electricity
(d) Magnetism
Ans: (b)
Q10: Physics helps in the development of
(a) Technology
(b) Society
(c) Both
(d) None
Ans: (c)
Q11: Who is known for relativity?
(a) Newton
(b) Einstein
(c) Galileo
(d) Maxwell
Ans: (b)
Q12: Who discovered the laws of motion?
(a) Einstein
(b) Newton
(c) Galileo
(d) Bohr
Ans: (b)
Q13: Physical laws are
(a) Exact
(b) Approximate
(c) Wrong
(d) Fixed forever
Ans: (b)
Q14: The scientific method starts with
(a) Experiment
(b) Observation
(c) Conclusion
(d) Theory
Ans: (b)
Q15: The hypothesis is
(a) Final law
(b) Assumption
(c) Theory
(d) Proof
Ans: (b)
Q16: Electromagnetism unifies
(a) Strong & weak
(b) Electric & magnetic
(c) Gravity & nuclear
(d) None
Ans: (b)
Q17: The microscopic domain includes
(a) Planets
(b) Stars
(c) Atoms
(d) Mountains
Ans: (c)
Q18: The macroscopic domain includes
(a) Electrons
(b) Protons
(c) Planets
(d) Neutrons
Ans: (c)
Q19: Physics is related to
(a) Chemistry
(b) Biology
(c) Engineering
(d) All
Ans: (d)
Q20: Experiments help to
(a) Reject laws
(b) Verify laws
(c) Ignore theory
(d) None
Ans: (b)
Q21: The study of subatomic particles is
(a) Macroscopic
(b) Microscopic
(c) Classical
(d) Biological
Ans: (b)
Q22: Which force binds the nucleus?
(a) Gravitational
(b) Strong nuclear
(c) Weak nuclear
(d) Magnetic
Ans: (b)
Q23: Which force causes decay?
(a) Weak nuclear
(b) Strong nuclear
(c) Gravitational
(d) Electric
Ans: (a)
Q24: Physics laws are based on
(a) Belief
(b) Experiments
(c) Guess
(d) Myth
Ans: (b)
Q25: The scope of physics includes
(a) Universe
(b) Atoms
(c) Both
(d) None
Ans: (c)
Q26: Technology influences
(a) Science
(b) Society
(c) Both
(d) None
Ans: (c)
Q27: Which is NOT a fundamental force?
(a) Friction
(b) Gravity
(c) Electromagnetic
(d) Strong
Ans: (a)
Q28: Physics studies
(a) Matter
(b) Energy
(c) Both
(d) None
Ans: (c)
Q29: Galileo contributed to
(a) Biology
(b) Physics
(c) Chemistry
(d) History
Ans: (b)
Q30: Science and technology are
(a) Unrelated
(b) Opposite
(c) Interconnected
(d) Same
Ans: (c)
III. Assertion-Reasoning Based MCQs
Q1: Assertion (A): Physics is a fundamental science.
Reason (R): It provides the basis for other sciences like chemistry and biology.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (a)
Q2: Assertion (A): Gravitational force dominates at large (astronomical) distances.
Reason (R): Gravitational force is always attractive and accumulates over large masses.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (a)
Q3: Assertion (A): Physical laws are exact and never change.
Reason (R): They are based on experimental observations.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (d)
Q4: Assertion (A): Strong nuclear force acts only over a very short range.
Reason (R): It binds protons and neutrons inside the nucleus.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (a)
Q5: Assertion (A): Electromagnetic force is usually not observed at the macroscopic level.
Reason (R): Most macroscopic bodies are electrically neutral.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (a)
Q6: Assertion (A): Technology helps in the advancement of physics.
Reason (R): New instruments improve observation and measurement.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (a)
Q7: Assertion (A): Weak nuclear force is responsible for radioactive decay.
Reason (R): It is stronger than the gravitational force.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Ans: (b)
