Physical World Class 11 NEET MCQ:

1. Origin of the word ‘Science’ is from__________
(1) French word ‘Scientia’
(2) Greek word ‘Scientia’
(3) Latin word ‘Scientia’, which means ‘scientific’
(4) Latin word ‘Scientia’, which means ‘to know

2. Scientific method involves_________
(1) Systematic observations, controlled experiments, qualitative and quantitative reasoning, mathematical modeling, and prediction
(2) Systematic observations, controlled experiments, qualitative and quantitative reasoning, and mathematical
modeling
(3) Systematic observations, controlled experiments, qualitative and quantitative reasoning, mathematical modeling, prediction, and verification
(4) Systematic observations, controlled experiments, qualitative and quantitative reasoning

3. Origin of the word ‘Physics’ is from________
(1) French word ‘Fuses’
(2) Latin word ‘Fuses’
(3) Greek word ‘Fuses’, which means ‘Nature‘
(4) Greek word ‘Fuses’, which means ‘Physical’

4. the Main thrust in physics is on________
(1) Unification
(2) Reduction
(3) Both (1) & (2)
(4) Experiments

5. Explaining diverse physical phenomena in terms of a few concepts and laws is_______
(1) Reduction
(2) Unification
(3) Law (4) Fact

6. Deriving the properties of a bigger, more complex system from the properties and interaction of its constituent simpler parts is_______
(1) Unification
(2) Reduction
(3) Law
(4) Fact

7. Logical possibility that an assertion, hypothesis, or theory can be contradicted by an observation or the outcome of a physical experiment is_________
(1) Law
(2) Hypothesis
(3) Fact
(4) Falsifiability

8. Which of the following statements is/are correct?
(1) Universal law of gravitation is an assumption or hypothesis
(2) Universal law of gravitation can be proved
(3) Universal law of gravitation can be verified
(4) Both (1) & (3)

9. A theory proposed to explain observed phenomena is_________
(1) Postulate
(2) Hypothesis
(3) Law
(4) Model

10. a self-evident truth is a/an________
(1) Axiom
(2) Postulate
(3) Either (1) or (2) 
(4) Hypothesis

11. “Science is not just a collection of laws, a catalog of unrelated facts. It is a creation of the human mind, with its freely invented ideas and concepts.” Who made these remarks?
(1) Newton
(2) Maxwell
(3) Einstein
(4) Raman

12. “The most incomprehensible thing about the world is that it is incomprehensible.” Who made these remarks?
(1) Newton
(2) Maxwell
(3) Einstein
(4) Raman

13. “We know very little and yet it is astonishing that we know so much, and still more astonishing that so little knowledge (or science) can give us so much power.” Who made these remarks?
(1) Newton
(2) Maxwell
(3) Einstein
(4) Bertrand Russel

14. “I do not know what I may appear to the world, I seem to have been only like a boy playing on the sea-shore and diverting myself every now and then finding a smoother pebble or a prettier shell than ordinary, while the great ocean of truth lay undiscovered before me.” Who said this?
(1) Newton
(2) Maxwell
(3) Einstein
(4) Raman
Sol. Answer (1)

15. A thought experiment in Physics is one which is_________
(1) Theoretically possible but experimentally not feasible
(2) Neither theoretically possible nor experimentally feasible
(3) Performed by a non-physicist
(4) Performed by a chemist

16. In ‘Mesoscopic Physics’, we deal with__________
(1) Phenomena at the laboratory
(2) Molecular phenomena
(3) Nuclear phenomena
(4) Few tens or hundreds of atom

17 “Classical Physics” deals with________
(1) Macroscopic phenomena
(2) Mesoscopic phenomena
(3) Microscopic phenomena
(4) Sometimes mesoscopic sometimes microscopic

18. Strategy of approximation involves_______
(1) All the complexities of a phenomena
(2) Extracting essential features of phenomena from their less significant aspects
(3) Qualitative thinking
(4) Both (1) & (3)

19. An Indian scientist who won Nobel Prize for Physics is___________
(1) Sir J.C. Bose
(2) H.J. Bhaba
(3) M.N. Saha
(4) Sir. C.V. Raman

20. Which of the following statements is not true?
(1) Solar cells may be a future source of power for cars
(2) Development in medicine may increase average life expectancy
(3) X-rays were discovered by Roentgen
(4) Radioactivity was discovered by Madam Curie

21. Albert Einstein was awarded Nobel Prize for his work on__________
(1) Special theory of relativity
(2) General theory of relativity
(3) Photoelectric effect
(4) Mass-energy equivalence

22. It has been postulated that there may be some particles moving with a speed greater than the speed of light.Such particles have been named as_________
(1) Mesons
(2) Pions
(3) Tachyons
(4) Leptons

23. The scientific principle involved in LASER is________
(1) Newton’s laws of motion
(2) Faraday’s laws of induction
(3) Coulomb’s laws of induction
(4) Amplification by population inversion

24. Choose the correct statement________
(1) C.V. Raman is associated with the scattering of light by the molecules
(2) Neil Bohr is associated with the scattering of light by the molecules
(3) S. Chandrashekhar is associated with the scattering of light by the molecules
(4) Heisenberg is associated with radioactivity

25. Choose the correct statement.
(1) F. Care is associated with refrigerator
(2) H. Hertz is associated with electromagnetic waves
(3) James Chadwick is associated with the discovery of the neutron
(4) All of these

26. Choose the correct statement.
(1) Scientific principle involved in refrigerators is the laws of thermodynamics
(2) Scientific principle involved in a steam engine is the laws of thermodynamics
(3) Scientific principle involved in rocket propulsion is Newton’s laws of motion
(4) All of these

27. Choose the correct statement.
(1) Newton unified celestial and terrestrial mechanics
(2) Maxwell verified experimentally the predictions of the theory of ‘electroweak force
(3) Glashow showed that electricity and magnetism are inseparable aspects of ‘electromagnetism’
(4) Rubia unified celestial and terrestrial mechanics

28. Choose the correct statement.
(1) Law of conservation of linear momentum is valid in the presence of an external force also

(2) For the angular momentum of a system to remain constant, external torque doesn’t need to act
on it be zero

(3) Charge can be created and destroyed

(4) A conservation law cannot be proved

29. Choose the correct statement.
(1) Symmetry of nature w.r.t. translation in time is equivalent to the law of conservation of energy
(2) Symmetry of nature w.r.t. translation in space is equivalent to the law of conservation of linear momentum
(3) Isotropy of space is equivalent to the law of conservation of angular momentum
(4) All of these

30. Choose the correct statement.
(1) Range of strong nuclear force is  10–15 m
(2) Range of weak nuclear force is  10–16 m
(3) Gravitational and electromagnetic forces have an infinite range
(4) All of these

31. Choose the correct statement.
(1) Strong nuclear force is mediated by the particle ‘-meson’
(2) Weak nuclear force is mediated by the particle ‘Boson’
(3) Electromagnetic force is mediated by the particle ‘photon’ and gravitational force is mediated by the particle
‘graviton’
(4) All of these

32. Choose the correct statement.
(1) Gravitational force is conservative
(2) Electromagnetic force is conservative
(3) Nuclear force is non-conservative
(4) All of these

33. Choose the correct statement.
(1) Gravitational force is a central force
(2) Electromagnetic force is a central force
(3) Nuclear force is non-central
(4) All of these

34. Choose the correct statement.
(1) Gravitational force is not affected by intervening medium
(2) Electromagnetic force is affected by intervening medium
(3) Nuclear force does not obey inverse square law
(4) All of these

35. Choose the correct statement.
(1) Hans Lippershey is associated with the discovery of the telescope
(2) Kepler is associated with the discovery of the telescope
(3) C.V. Raman is associated with the discovery of the telescope
(4) Hubble is associated with the discovery of the telescope