Question
Science & TechnologyPhysics and Applied PhysicsOptics, Lasers and PhotonicsMedium
Question details
- Type:
- Statement based
- Skill:
- Concept understanding
- Tags:
- Optics, Lasers and Photonics
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Consider the following phenomena: 1. Size of the sun at dusk 2. Colour of the sun at dawn 3. Moon being visible at dawn 4. Twinkle of stars in the sky 5. Polestar being visible in the sky Which of the above are optical illusions?
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Question 89 · Optics, Lasers and Photonics · Science & Technology · UPSC Prelims 2013 (GS)