Atmospheric Window Hard
Atmospheric window refers to wavelength bands where Earth's atmosphere:
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About This Question
- Subject
- physics
- Chapter
- electromagnetic waves
- Topic
- atmospheric window hard
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Is transparent allowing transmission
Earth's atmosphere absorbs most EM radiation (Gamma, X-rays, UV are blocked; IR is mostly blocked by water/CO2).
- However, certain wavelength ranges have very low absorption.
- Optical Window: Allows visible light through.
- Radio Window: Allows radio waves from space.
- These 'windows' are critical for ground-based astronomy and satellite communication.
This hard difficulty physics question is from the chapter electromagnetic waves, covering the topic of atmospheric window hard. It appeared in the 2025 exam.
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