Gk Questions with AnswersPhysics Gk Questions and Answers
| 1. | The carbon filament is invented by | ||
|---|---|---|---|
| A. Newton | |||
| B. Edison | |||
| C. Ampere | |||
| D. Volt | |||
| Answer | ||
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| 2. | Electron was first identified by | ||
|---|---|---|---|
| A. J.Kepler | |||
| B. Daniel Rutherford | |||
| C. J.J. Thomson | |||
| D. James Chadwick | |||
| Answer | ||
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| 3. | Neutron was discovered by | ||
|---|---|---|---|
| A. Thomson | |||
| B. Moseley | |||
| C. Chadwick | |||
| D. Rutherford | |||
| Answer | ||
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| 4. | SONAR is mostly used by | ||
|---|---|---|---|
| A. Navigators | |||
| B. Doctor | |||
| C. Astronauts | |||
| D. Engineers | |||
| Answer | ||
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