Gk Questions with AnswersPhysics General Knowledge Questions and Answers
| 17. | A device used to measure current is | ||
|---|---|---|---|
| A. Ammeter | |||
| B. Altimeter | |||
| C. Barometer | |||
| D. Galvanometer | |||
| Answer | ||
|
| 18. | What is the unit for measuring the pitch or frequency of sound? | ||
|---|---|---|---|
| A. Decible | |||
| B. Coulomb | |||
| C. Cycles | |||
| D. Hum | |||
| Answer | ||
|
| 19. | Which of the following is used as a moderator in nuclear reactor? | ||
|---|---|---|---|
| A. Graphite | |||
| B. Radium | |||
| C. Thorium | |||
| D. Ordinary water | |||
| Answer | ||
|
| 20. | The light is a | ||
|---|---|---|---|
| A. Longitudinal wave | |||
| B. Transverse wave | |||
| C. Both | |||
| D. None of these | |||
| Answer | ||
|