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7 April, 09:01

The wavelengths for visible light rays correspond to which of these options

A. About the size of a pen

B. About the size of a virus or large molecule

C. About the size of an amoeba

D. Smaller than an atom

E. About the size of a football field

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Answers (1)
  1. 7 April, 10:28
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    So we want to know what does the wavelength of vidible light corresponds to. So the wavelength of visible light is around 400 - 700 nm or 400*10^-9 m to 700*10^-9 m. Virus size is around 20 - 400 nm. Large moleculer are around 100 nm to 200 nm. Atoms are around 10^-10 m and all the other options are too large. So the correct answer is B.
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