Gk Questions with AnswersPhysics
DIRECTIONS : Questions based on Physics.
| 1. | Which one of the following common devices works on the basis of the principle of mutual induction? | ||
|---|---|---|---|
| A. Tubelight | |||
| B. Transformer | |||
| C. Photodiode | |||
| D. Led | |||
| 2. | Dc current can be controlled by which one of the following components? | ||
|---|---|---|---|
| A. Impedance | |||
| B. Resistance | |||
| C. Capacitance | |||
| D. Inductance | |||
| 3. | Mesons are found in | ||
|---|---|---|---|
| A. Alpha -rays | |||
| B. Laser beam | |||
| C. X - rays | |||
| D. Cosmic rays | |||
| 4. | A moderator is used in nuclear reactors in order to | ||
|---|---|---|---|
| A. increase the no.of.neutrons | |||
| B. decrease the no.of.neutrons | |||
| C. slow down the speed of neutrons | |||
| D. Anthony S. D'Mello | |||
| 5. | The wavelength of X-rays is of the order of | ||
|---|---|---|---|
| A. 1 cm | |||
| B. 1 m | |||
| C. 10 micron | |||
| D. 1 Angstrom | |||