## Answers

1. wavelength of 650 nm = red visible light

2. frequency of 650 Thz = blue visible light

3. wavelength of 1e -10 m = x-ray

4. frequency of 89.9 MHz = KGRG radio

5.

Wavelength of 1e -15 m = gamma ray

6. wavelength of either 12.5 cm or 6 cm = most common wifi

7. wavelength of 100 nm = ultraviolet ray

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