Multiple Choice
Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye.The frequency of this light is ________ s-1.
A) 4.688 ×
B) 4.688 ×
C) 1.920 ×
D) 1.920 ×
E) 2.133 ×
Correct Answer:

Verified
Correct Answer:
Verified
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