Physical World Multiple Choice Questions and Answers for Practice

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