1. Who invented the vaccum flask?
2. Some substances do not allow electrons to pass. What are they called?
3. Which British Scientist made a study of the spectrum in 1666?
4. What shape of lens always produces virtual, erect and magnified images of real objects?
5. can a transformer be used on a steady d.c. supply?
6. Can sound be refracted?
7. Temperature is measured in "c degree " What does this symbol C indicates?
8. Which thermometer is used to measure a person's temperature?
9. Are permanent magnets made of steel or soft iron ?
10. What is the electromotive force of a dry cell?
11. What instrument is used to measure the potential difference in an electric circuit?
12. Who is the first recipient of Nobel Prize for Physics in India?
13. What substance are the electrodes made of?
14. What is the unit of acceleration in Metric System?
15. Who propounded the theory of Relativity?
16. What charge does a proton carry?
17. What liquid is used ion a thermometer which registers minimum temperature?
18. why is an Altimeter used?
19. Who discovered Radio-Activity?
20. Which lens is used to correct long sight defect?
21. which metal is used in storage batteries?
22. How long is the tail of a comet
approximately?
23. Who invented the Borometer?
24. What is the unit of power?
25. When a copper ball is heated its volume increases. What will happen to its density?
26. Which scientist developed the quantum Theory?
27. Who invented the Dynamo?
13. What substance are the electrodes made of?
14. What is the unit of acceleration in Metric System?
15. Who propounded the theory of Relativity?
16. What charge does a proton carry?
17. What liquid is used ion a thermometer which registers minimum temperature?
18. why is an Altimeter used?
19. Who discovered Radio-Activity?
20. Which lens is used to correct long sight defect?
21. which metal is used in storage batteries?
22. How long is the tail of a comet
approximately?
23. Who invented the Borometer?
24. What is the unit of power?
25. When a copper ball is heated its volume increases. What will happen to its density?
26. Which scientist developed the quantum Theory?
27. Who invented the Dynamo?
28. How many basic scientific units are there? What are they
30. What did Lasalo Biro invent in 1938?
ఓం శ్రీ రామ్ ఓం శ్రీ రామ్ ఓం శ్రీ రామ్
ప్రాంజలి
సర్వేజనా సుఖినోభవంతు
1. Who invented the vaccum flask?
2. Some substances do not allow electrons to pass. What are they called?
3. Which British Scientist made a study of the spectrum in 1666?
4. What shape of lens always produces virtual, erect and magnified images of real objects?
5. can a transformer be used on a steady d.c. supply?
6. Can sound be refracted?
7. Temperature is measured in "c degree " What does this symbol C indicates?
8. Which thermometer is used to measure a person's temperature?
9. Are permanent magnets made of steel or soft iron ?
10. What is the electromotive force of a dry cell?
11. What instrument is used to measure the potential difference in an electric circuit?
12. Who is the first recipient of Nobel Prize for Physics in India?
13. What substance are the electrodes made of?
14. What is the unit of acceleration in Metric System?
15. Who propounded the theory of Relativity?
16. What charge does a proton carry?
17. What liquid is used ion a thermometer which registers minimum temperature?
18. why is an Altimeter used?
19. Who discovered Radio-Activity?
20. Which lens is used to correct long sight defect?
21. which metal is used in storage batteries?
22. How long is the tail of a comet
approximately?
23. Who invented the Borometer?
24. What is the unit of power?
25. When a copper ball is heated its volume increases. What will happen to its density?
26. Which scientist developed the quantum Theory?
A. Max planck.
27. Who invented the Dynamo?
13. What substance are the electrodes made of?
14. What is the unit of acceleration in Metric System?
15. Who propounded the theory of Relativity?
16. What charge does a proton carry?
17. What liquid is used ion a thermometer which registers minimum temperature?
18. why is an Altimeter used?
19. Who discovered Radio-Activity?
20. Which lens is used to correct long sight defect?
21. which metal is used in storage batteries?
22. How long is the tail of a comet
approximately?
23. Who invented the Borometer?
24. What is the unit of power?
25. When a copper ball is heated its volume increases. What will happen to its density?
26. Which scientist developed the quantum Theory?
A. Max planck.
27. Who invented the Dynamo?
A. Michael Faraday.,
28. How many basic scientific units are there? What are they
A. Seven; Length, mass, time, electric, current, temperatur , light and amount of substance .,
A. Attometre.,
30. What did Lasalo Biro invent in 1938?
A. Ball Point Pen
. 1. Sir James Dewar., 2. Insulators., 3. sir Issac Newton ., 4. Concave., 5. No. 6. Yes., 7. Celsius., 8. Clinical thermometer., 9.Steel., 10.1.5 volts.11. Voltmeter., 12.C.V.Raman., 13. Carbon or Platinum 14. Meter Per Second square., 15. Albert Einstein ., 16. Positive., 17. alcohol., 18. Approx height above the ground., 19.Henry Becqueral.,20. Concave., 21.lead 22. 2 to 3 crore KKms. 23. Toricelli., 24. watts. 25. decreases
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