Gk Questions with AnswersPhysics
DIRECTIONS : Questions based on Physics.
| 6. | Which of the following is used as a moderator in nuclear reactor? | ||
|---|---|---|---|
| A. Ordinary water | |||
| B. Radium | |||
| C. Thorium | |||
| D. Graphite | |||
| 7. | In an atomic nucleus, neutrons and protons are held together by | ||
|---|---|---|---|
| A. Gravitational forces | |||
| B. Magnetic forces | |||
| C. Exchange forces | |||
| D. Coulombic forces | |||
| 8. | Television signal cannot be received generally beyond a particular distance due to | ||
|---|---|---|---|
| A. Curvature of the earth | |||
| B. Weakness of antenna | |||
| C. Weakness of signal | |||
| D. absorption of signal in air | |||
| 9. | Which one of the following is the unit of activity of a radioactive source? | ||
|---|---|---|---|
| A. Lux | |||
| B. Becquerel | |||
| C. Tesla | |||
| D. Siemens | |||
| 10. | Which one of the following is a good conductor of electricity? | ||
|---|---|---|---|
| A. Shellac | |||
| B. Ebonite | |||
| C. Glass | |||
| D. Human body | |||