Om Sri Ram Om sri Ram Om sri Ram
Pranjali Prabha
Sarvejana sukhinobhavanthu
objective Questions
1.What are the main uses of a computer?
2. When was the first atomic bomb tested?
3. What are x - rays?
4. What is the full form of CAT?
5. Is CAT scanning a risky job?
6. Who invented CAT Scanner?
7. When was the first telegraph line taid?
8. What is a word processor?
9. What is Piezo-electric source?
10. What is the work done by a photoelectric cell?
11. Which effect of electricity is used in electroplating?
12. What is electrolysis?
13. What is PVC Cable?
14. Is noon a sastilidte of Earth?
15. How many satelites are there to Saturn?
16. Who stood first on the Moon?
17. Who first took the photograph of the Moon? When?
18. Who discovared the planet Nepture and when?
19. Who proved that Saturn's rings are made up of discrete particles?
20. G.B. Donati was the first to study the spectra of comment To which country he belongs?
21. Who first used balloon for astronomical research?
22. Where is Mount Palomar observatory?
23. in Solary system, there are bigger moons then the satellite moon. Which are those mooons?
24. Mention the planets that do not have satellites.
25. Which is the planet that looks like upside down?
26. Which is the planet that looks like upside down?
27. Does air Press in all directions.?
28. More heat energy is involved in a physical change than in a chemical change? is it true?
29. What instrument is used to measure directly the relative density of a liquid?
30. Is ammonia a good refrigerant?
14. Is noon a sastilidte of Earth?
15. How many satelites are there to Saturn?
16. Who stood first on the Moon?
17. Who first took the photograph of the Moon? When?
18. Who discovared the planet Nepture and when?
19. Who proved that Saturn's rings are made up of discrete particles?
20. G.B. Donati was the first to study the spectra of comment To which country he belongs?
21. Who first used balloon for astronomical research?
22. Where is Mount Palomar observatory?
23. in Solary system, there are bigger moons then the satellite moon. Which are those mooons?
24. Mention the planets that do not have satellites.
25. Which is the planet that looks like upside down?
26. Which is the planet that looks like upside down?
27. Does air Press in all directions.?
28. More heat energy is involved in a physical change than in a chemical change? is it true?
29. What instrument is used to measure directly the relative density of a liquid?
30. Is ammonia a good refrigerant?
1.What are the main uses of a computer?
A. They are used in business, Science industry, medicine, printing, telecoummnications, transport, education etc. They are widely used. Today computers are needed every where.
2. When was the first atomic bomb tested?
A. On July 16 1945.in the New Mexico desert.
3. What are x - rays?
A. High energy invisible electromagnetic waves
.
4. What is the full form of CAT?
A. Computerised Axial Tomography.
5. Is CAT scanning a risky job?
A. No.
6. Who invented CAT Scanner?
A. Goldfrey Hounsefield.
7. When was the first telegraph line taid?
1843 between Washington D.C. and Baltimore.
8. What is a word processor?
If can store the matter in its memory and can produce as many copies a desired, can correct the mistakes withous erasing the words.
9. What is Piezo-electric source?
A. This source transforms mechanical energy into electrical energy.
10. What is the work done by a photoelectric cell?
A. Repel
11. Which effect of electricity is used in electroplating?
A. Magnetic compass.
12. What is electrolysis?
A. Decomposition of an elecrolyte by the action of the electric current.
13. What is PVC Cable?
A. Poly vinyl chloride cable.14. Is noon a satellite of Earth?
A. Yes.
15. How many satellites are there to Saturn?
A. Eighteen
16. Who stood first on the Moon?
A. Neil Armstrong on july 20 1969.
17. Who first took the photograph of the Moon? When?
A. Louis Daguerre (French in 1839)
18. Who discovered the planet Nepture and when?
A. Johann Galle in 1846
19. Who proved that Saturn's rings are made up of discrete particles?
A. James clerck Maxwell
20. G.B. Donati was the first to study the spectra of comment To which country he belongs?
A. Itally
21. Who first used balloon for astronomical research?
A. Jules janssen in 1875
22. Where is Mount Palomar observatory?
A. In SanDiego, Califormia USA
23. in Solar system, there are bigger moons then the satellite moon. Which are those moons?
A. Titan (Saturn) of 5680 Km. dia. Ganymede (Jupiter) of dia. 5236 Km. Callisto (Jupiter) of dia 5027 Km.
24. Mention the planets that do not have satellites.
A. Mercury and Venus.
25. Which is the planet that looks like upside down?
A. H.G.Wells.
26. Which is the planet that looks like upside down?
A. Uranus.
27. Does air Press in all directions.?
A. Yes.
28. More heat energy is involved in a physical change than in a chemical change? is it true?
A,. No.
29. What instrument is used to measure directly the relative density of a liquid?
A. Hydrometer
30. Is ammonia a good refrigerant?
A. Yes in liquid form
No comments:
Post a Comment