1. Suppose, for the sake of argument, that instead of scattering blue light, the
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Question
1. Suppose, for the sake of argument, that instead of scattering blue light, the air scattered green light. What color would the Sun look to the human eye (remember: the sunlight hitting the top of the Earth's atmosphere is close to white in color)?
a. bluish
b. reddish
c. purplish (magenta)
d. black
2. Suppose, for the sake of argument, that instead of scattering blue light, the air scattered only infrared light. What color would the SKY look like to the human eye?
a. it would look red
b. it would still look lue
c. it would look black
d. it would look white
Explanation / Answer
1) (a) bluish
When instead of blue light, air scatters green light, the sky appears green and the Sun on the other hand appears to be bluish.
2) (d) it would look white.
Sky appears blue because of the scattering of blue light. Now only infrared light is being scattered and no light of the visible spectrum is getting scattered. So, all the 7 VIBGYOR components pass unscattered. Therefore the result is white.
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