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
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