MCQOPTIONS
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MCQOPTIONS
| 1. |
The frequency range used in visible light instruments is______________ |
| A. | 5*10<sup>11</sup> Hz |
| B. | 5*10<sup>8</sup> Hz |
| C. | 5*10<sup>10</sup> Hz |
| D. | 5*10<sup>14</sup> Hz |
| Answer» E. | |