Gk Questions with AnswersInventions and Discoveries
DIRECTIONS : Objective Question on Computer Knowledge.
| 21. | Who invented Radar? | ||
|---|---|---|---|
| A. Humphry Davy | |||
| B. Max Planck | |||
| C. Robert Watson watt | |||
| D. Henry Becquerel | |||
| 22. | Electromagnetic induction is used in | ||
|---|---|---|---|
| A. Galvanometers | |||
| B. Thermocouple | |||
| C. Generators | |||
| D. None of these | |||
| 23. | Barometer was invented by | ||
|---|---|---|---|
| A. Thomas Barrow | |||
| B. Torricelli | |||
| C. Rutherford | |||
| D. Roentgen | |||
| 24. | The credit of the discovery of antibiotic Penicillin goes to | ||
|---|---|---|---|
| A. Robert Hooke | |||
| B. Alexander Flemming | |||
| C. J.H.Perrin | |||
| D. Shockley | |||
| 25. | E = mc2 was theorised by | ||
|---|---|---|---|
| A. Newton | |||
| B. Rutherford | |||
| C. Einstein | |||
| D. Max Planck | |||