Physical World MCQ Questions and Answers for Practice

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

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

2. Atomic and molecular phenomena are dealt with by

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

3. Wave picture of light failed to explain.

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

4. Heliocentric theory proposed by Nicolas Copernicus was

1. replaced by elliptical orbits to fit the data better
2. replaced by elliptical orbits to fit the taste of new rulers of Italy
3. replaced by parabolic orbits to fit the data better
4. replaced by circular 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. experimental discovery of positron
2. scattering of alpha particle or the gold foil experiment
3. Michelson Morley experiment
4. Davisson and Germer Experiment

6. The scientific method is

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

7. A scientific theory

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

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

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

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

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

10. Physics is a

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

11. Newtonian mechanics could not explain

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

12. Macroscopic domain includes

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

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

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

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

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

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

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