Physics GK Questions

Physics Objective Type General Knowledge [GK] Questions and answers for PSC Exam preparations.

1. The scientific study of moon and its origin:

Answer: Selenology

2. Oology is the study of:

Answer: Eggs

3. The study of reptiles and amphibians:

Answer: Herpetology

4. The study of cells:

Answer: Cytology

5. The science of maping making:

Answer: Cartography

6. ……………. Is used to convert mechanical energy into electrical energy.

Answer: Dynamo

7. Instrument used to measure depth of ocean:

Answer: Fathometer

8. ………….. measures level of humidity.

Answer: Hygrometer

9. ……………… determine the speed of an aircraft in terms of the speed of sound.

Answer: Machmeter

10. Galvanometer measures:

Answer: Electric current

11. Who wrote ’20,000 Leagues Under the Sea’?

Answer: Joules Verne

12. Who wrote ‘The origin of Species’?

Answer: Charles Darwin

13. In which year ‘The origin of species’ was published?

Answer: 1859

14. Who wrote ‘The Time Machine’?

Answer: HG Wells

15. The author of ‘The Invisible Man’?

Answer: HG Wells

16. One Horse Power equals ……………….Watts

Answer: 746

17. The unit of potential difference:

Answer: Volt

18. Depth of water is measured in:

Answer: Fathom

19. One Nautical mile equals ……………. Metres.

Answer: 36.9

20. Normal temperature of human body is …………. Degree celcius.

Answer: 36.9

21. The color of Sodium Vapor Lamp:

Answer: Yellow

22.…………….. is the color of Neon vapor lamp:

Answer: Orange

23. ……………… vapor lamp has green color:

Answer: Chlorine

24. The color of Hydrogen vapor lamp:

Answer: Blue

25. The color of Mercury vapor lamp:

Answer: White