Physical World MCQs Quiz Multiple Choice Questions & Answers

1. The word Science originates from the Latin verb Scientia meaning

1. to know
2. to see
3. to experience
4. to observe

2. Atomic and molecular phenomena are dealt with by

1. Newtonian Mechanics
2. fluid Mechanics
3. applied Mechanics
4. Quantum Mechanics

3. Wave picture of light failed to explain.

1. The photoelectric effect
2. polarization of light
3. diffraction of light
4. interference of light

4. Heliocentric theory proposed by Nicolas Copernicus was

1. replaced by circular orbits to fit the data better
2. replaced by elliptical orbits to fit the data better
3. replaced by elliptical orbits to fit the taste of new rulers of Italy
4. replaced by parabolic orbits to fit the data better

5. Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?

1. Davisson and Germer Experiment
2. experimental discovery of positron
3. scattering of alpha particle or the gold foil experiment
4. Michelson Morley experiment

6. The scientific method is

1. a prescribed method for investigating phenomena, acquiring new knowledge.
2. A procedure for proposing new hypothesis
3. a body of techniques for investigating phenomena, acquiring new knowledge.
4. A method for proposing new theories.

7. A scientific theory

1. cannot be changed but can be reformulated
2. is fixed once and for all because it is logical
3. is changed to suit new fashion among scientists
4. can be revised if required to fit new phenomenon or data

8. Which of the following is a possible first step in applying the scientific method

1. Conducting tests
2. Formulating a hypothesis
3. Formulation of a question
4. Building a theory

9. Which of the following is a possible final step in applying the scientific method

1. Formulating a hypothesis
2. Building a theory
3. Analysis of test results
4. Formulation of a question

10. Physics is a

1. Applied Science
2. Mathematical Science
3. Engineering Science
4. Natural Science

11. Newtonian mechanics could not explain

1. fall of bodies on earth
2. Some of the most basic features of atomic phenomena.
3. movement of planets
4. flight of rockets

12. Macroscopic domain includes

1. Phenomena at the laboratory
2. Terrestrial scale
3. Astronomical scales
4. All of the above

13. The man who is known as the father of Experimental physics is.

1. Newton
2. Albert Einstein
3. Galileo
4. Rutherford

14. The person who has been awarded the father of physics of 20th century is

1. Madame curie
2. Sir C.V. Raman
3. NeilsBohr
4. Albert Einstein

15. Science is exploring ...x.... and....y....from what we see around us. Here x and y refer to

1. Qualitative, modify
2. Experiment, predict
3. Verification, predict
4. Reasoning, quantitative

16. The branch of science which deals with nature and natural phenomena is called

1. Sociology
2. Biology
3. Civics
4. Physics

17. Which of the following is true regarding the physical science?

1. They deal with the non-living things.
2. The study of matter is conducted at atomic or iconic level
3. Both a and b
4. None of these

18. The scientific principle involves in production of ultrahigh magnetic fields is.

1. Super conductivity
2. Digital logic
3. Photoelectric effect
4. Laws of thermodynamics

19. Consider the following statements and choose correct one
I. Optics deal with the phenomena involving light
II. Unification means physical phenomena in terms of few Concept and laws
III. Macroscopic domain of physics deals with the constitution and structure of matter at the minute scales of atoms and nuclei.

1. Only I
2. Only II
3. Only I and II
4. Only II and III

20. The aeroplane works on the scientific principle

1. Laws of Thermodynamics
2. Nuclear Fusion
3. Electromagnetic Induction
4. Bernoulli's Theorem

21. Nuclear reactor works on the scientific principle

1. Bernoulli's Theorem
2. Nuclear Fission
3. Electromagnetic Induction
4. Laws of Thermodynamics

22. Who discovered neutron

1. Galileo
2. Chadwick
3. C.V. Raman
4. none of them

23. Wave nature of electron was discovered by

1. Roentgen
2. Pauli
3. de Broglie
4. Einstein

24. Atomicity of charge was discovered by

1. Faraday
2. Marie Curie
3. Maxwell
4. R.A. Millikan

25. Theory of relativity was discovered by

1. Maxwell
2. Faraday
3. Einstein
4. Pauli

26. Electric generator works on the scientific principle

1. Laws of Thermodynamics
2. Nuclear Fusion
3. Bernoulli's Theorem
4. Electromagnetic Induction

27. Size of the nucleus is

1. 10^-10 m
2. 10^-14 m
3. 10^-9 m
4. 10^-12 m

28. The scientists who” discovered natural radioactivity belonged to

1. Italy
2. Austria
3. France
4. England

29. The scientist who discovered x-rays belonged to:

1. Germany
2. Japan
3. England
4. France

30. The scattering of light by molecules was discovered by

1. J. Bardeen
2. Einstein
3. C.V. Raman
4. Newton

31. The scientist who discovered the “Theory of Relativity” belonged to

1. India
2. France
3. Germany
4. None of these

32. Which of the following technology uses Newton's second and third laws of motion

1. Electric Generator
2. Radio and Television
3. Rocket Propulsion
4. None

33. Laws of electromagnetic induction were discovered by:

1. Chadwick
2. Einstein
3. Newton
4. Faraday

34. Heat engine and refrigerator work on scientific principle:

1. Electromagnetic Induction
2. Bernoulli's Theorem
3. Nuclear Fusion
4. Laws of thermodynamics

35. Who discovered cosmic rays

1. J.J. Thomson
2. Hess
3. Lawrence
4. Yukawa

36. The scientist who discovered cosmic rays belonged to

1. America
2. Austria
3. India
4. France

37. The physical sciences deal with the study of:

1. Living things
2. Non-living things
3. Both
4. None

38. The branch of science which deals with the study of stars is called

1. Astronomy
2. Geology
3. Meteorology
4. Seismology

39. The idea of calculus was given by

1. Newton
2. Einstein
3. Marconi
4. Planck

40. Which of the following principles is being used in Sonar Technology?

1. Reflection of ultrasonic waves
2. Newton's laws of motion
3. Reflection of electromagnetic waves
4. Laws of thermodynamics

41. Which of the following is wrongly matched?

1. Barometer-Pressure
2. Lactometer-Milk
3. Coulomb's law-Charge
4. Humidity-Calorimeter

42. C.V.Raman got Nobel Prize for his experiment

1. Dispersion of light
2. Reflection of light
3. Deflection of light
4. Scattering of light

43. The discoverer of loudness and intensity of sound is

1. Newton
2. Bell
3. Laplace
4. Edison

44. It has been postulated that there may be some particles moving with speed greater than the speed of light. Such particles are known as

1. Electrons
2. Neutrons
3. Nucleons
4. Tachyons

45. A superposition that is put forward as a probable solution to a natural phenomenon is called a

1. Hypothesis
2. Theory
3. Law
4. Relief

46. The book “Pisces of physics'' has been written by

1. Einstein
2. Newton
3. Archimedes
4. Galileo

47. It is more important to have beauty in the equations of physics than to have them agree with experiments'' The scientist who made this statement is

1. Dirac
2. Raman
3. Faraday
4. Maxwell

48. Chandershekher, Indian scientist was awarded Nobel Prize in Physics on subject concerning

1. Geophysics
2. Superconductivity
3. Laser technology
4. Astronomy

49. Law of conservation of angular momentum follows which symmetry?

1. Homogeneity of space
2. Isotropy of space
3. Homogeneity of time
4. Isotropy of time

50. Rank the four fundamental forces of nature in order from weakest to strongest

1. Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear
2. Weak Nuclear, Gravity, Electromagnetism, Strong Nuclear
3. Gravity, Weak Nuclear, Electromagnetism, Strong Nuclear
4. Weak Nuclear, Electromagnetism, Gravity, Strong Nuclear