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12 December, 18:49

The average human hair has a diameter of 100,000 nm. We can see individual hairs because hair has a diameter greater than the wavelengths of the visible spectrum. (ranges from about 700 to 400 nm). An individual iron atom has a diameter of about 0.3 nm. Can we ever "see" an individual iron atom with visible light?

a) Yes, because the individual iron atom has a diameter much larger than visible light wavelengths.

b) No, because the individual iron atom has a diameter much smaller than the visible light wavelengths.

c) Can't tell because there is no correlation between size of an object and light reflecting off of it.

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Answers (1)
  1. 12 December, 21:07
    0
    B is the correct answer, since all others are not true or are based on assumption
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