The sky appears blue because molecules in the Earth's atmosphere scatter shorter wavelengths of light, like blue and violet, more than longer wavelengths such as red. Our eyes are more sensitive to blue light, and since violet is mostly absorbed by the upper atmosphere, the sky looks predominantly blue during the day.
The sky appears blue because ______?
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Question context
This question is part of 🌍 Current Affairs within the broader 🌐 Current Affairs & GK subject and appears in the Punjab Police preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.