1.

For which frequency of light, the human eye is most sensitive?

A. 55.405 10<sup>14</sup> Hz
B. 95.405 10<sup>14</sup> Hz
C. 5.405 10<sup>14</sup> Hz
D. 79.405 10<sup>14</sup> Hz
Answer» D. 79.405 10<sup>14</sup> Hz


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