16. Who discovered the infra red rays in sunlight?
(a) William Herschel (b) Clyde Tombaugh
(c) Galileo (d) ECG Sudarshan
Answer: (a )
17. Who discovered Analytical engine?
(a) Blaise Pascal (b) Rae Tomlinson
(c) Charles Babbage (d) Edison
Answer: ( c)
18. India launched its first rocket in:
(a) 1960 (b) 1961 (c)
1962 (d) 1963
Answer: ( d)
19.Who discovered natural radio activity?
(a) Henri Bequeral (b) Edison
(c) Newton (d) Max Plank
Answer: (a )
20 ........ is formulated by Max Plank:
(a) Quantum theory (b) Wave Theory
(c) Corpuscular theory (d) Electro magnetic theory
Answer: ( a)
21. Thermopile is used to:
(a) Measure electric current
(b) Measure potential difference
(c) Detect the pressure of heat radiation
(d) None of the above
Answer: (c )
22. The first computer virus:
(a) Kabir (b) Firewall (c) Norton (d) Elk Cloner
Answer: ( d)
23. The density of air is:
(a) 10.3 kg /cubic metre
(b) 1.3 kg /cubic metre
(c) 100.3 kg /cubic metre (d) 3.1 kg /cubic metre
Answer: ( b)
24. Who is known as ‘the father of personal computer’?
(a) Charles Babbage
(b) Henri Edward Roberts
(c) Alan Turing
(d) Edgar Rice Boroughs
Answer: (b )
25.A tennis ball will bounce:
(a) Higher on hills than on plains
(b) Higher on plains than on hills
(c) Equally on hills and plains
(d) Higher either on hills or on plains depending upon the ground
friction.
Answer: (a )
26. Which physical quantity has the unit Kilowatt-hour?
(a) Light (b) Energy
(c) Temperature (d) Distance
Answer: (b )
27. Select the unit which is not a fundamental unit?
(a) meter (b) Kilogram
(c) second (d) Joule
Answer: (d )
28. In which direction does the rainbow appear in the morning?
(a) East (b) South
(c) West (d) North
Answer: ( c)
29. Which particle is also known as God’s particle?
(a) Gravitons (b) Fermions
(c) Higgs Bosons (d) Electrons
Answer: ( c)
30. Light Year is the unit of
(a) Year (b)Energy
(c) Time (d) Distance
Answer: ( d)
PSC GENERAL SCIENCE QUESTIONS AND ANSWERS
1. General Science - Physics
2. General Science Chemistry
3. General Science Biology
4. General Science Zoology
5. General Science Questions and Answers
Related Post
1. PSC CURRENT AFFAIRS-2015 (2000 FACTS)---> Click here
2. PSC PREVIOUS / SOLVED QUESTION PAPERS ---> Click here
3. PSC GENERAL KNOWLEDGE QUESTIONS AND ANSWERS ---> Click here
1. General Science - Physics
2. General Science Chemistry
3. General Science Biology
4. General Science Zoology
5. General Science Questions and Answers
Related Post
1. PSC CURRENT AFFAIRS-2015 (2000 FACTS)---> Click here
2. PSC PREVIOUS / SOLVED QUESTION PAPERS ---> Click here
3. PSC GENERAL KNOWLEDGE QUESTIONS AND ANSWERS ---> Click here
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