Answer:
A beam of light has a wavelength of 4.5 x 10-7 meter in the vacuum. The frequency of the light is (speed of light is 3 x 108 m/s)
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Answer:
A beam of light has a wavelength of 4.5 x 10-7 meter in the vacuum. The frequency of the light is (speed of light is 3 x 108 m/s)