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Why does smoke from a chimney appear blue, instead of black during winter morning?

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Question

Why does smoke from a chimney appear blue, instead of black during winter morning?

Very Short Answer
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Solution

Smoke particles scatter blue light from sunlight in different directions. Some of this scattered blue light reaches our eyes, making the smoke appear blue rather than black.

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Chapter 5: Electromagnetic Waves and Spectrum - EXERCISE [Page 115]

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Goyal Brothers Prakashan A New Approach to ICSE Physics [English] Class 10
Chapter 5 Electromagnetic Waves and Spectrum
EXERCISE | Q 14. (b) | Page 115
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