Physics Questions and Answers
| 9. |
A micro wave opens uses wave with a |
| |
- A. small wavelength in the visible range
- B. small wavelength in the invisible range
- C. large wavelength in the invisible range
- D. large wavelength in the visible range
|
| 10. |
Electrolytic copper is claimed to be |
| |
- A. 99%
- B. 99.9%
- C. 99.09%
- D. 99.99%
|
| 11. |
________ are used to open the circuit. |
| |
- A. Screw
- B. Conductor
- C. Circuit breakers
- D. Switches
|
| 12. |
When magenta, yellow and cyan are added, the colour obtained is |
| |
- A. Green
- B. Blue
- C. Red
- D. White
|
