| 1 |
Who propounded the theory that the Earth revolves round the sun?
|
Galileo <br>
Newton <br>
Copernicus <br>
Kepler <br>
|
| 2 |
The scientist credited with discovery of noble gases is?
|
Cavendish<br>
Madame <br>
Rutherford <br>
McDonald <br>
|
| 3 |
Which of the following scales was devised by Celsius?
|
Absolute <br>
Centigrade <br>
Fahrenheit <br>
Roomer <br>
|
| 4 |
Who invented the flushing toilet that caught on:
|
Joseph Bramah <br>
Linus Yale <br>
Viadmir Zworkin <br>
Priestley <br>
|
| 5 |
Who among the following does not heave a chemical element named after him
|
Albert Einstein <br>
Enrico Fermi <br>
Isaac <br>
Mendeleef <br>
|
| 6 |
Zero was invented by?
|
Al Khawarizmi<br>
Ibn Rushed <br>
William Kelvin <br>
None of these <br>
|
| 7 |
Who first attempted to measure the speed of light?
|
Hans Lippershey <br>
Isaac Newton<br>
Galileo Galilei <br>
Ole Roemer <br>
|
| 8 |
Who first worked out long a year is?
|
Egyptian astronomers <br>
Greek astronomers <br>
Babylonian Priests <br>
Mayan Mathematicians <br>
|
| 9 |
Who defined the law of gravitation?
|
Newton <br>
Archimedes <br>
Galileo <br>
Faraday <br>
|
| 10 |
Who built the first successful helicopter?
|
Orville wright<br>
lgor Sikorsky <br>
John Stapp<br>
Chanute <br>
|
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