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UPSC CSE Pre 2013
Question #35
Space Technology
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Consider the following phenomena:
1. Size of the sun at dusk.
2. Color 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?
A
1, 2 and 3
B
3, 4 and 5
C
1, 2 and 4
D
2, 3 and 5
Pick an option above to test your answer
Reveal Answer ⌄
Subject:
Science & Technology
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Q: Consider the following phenomena: 1. Size of the sun at dusk. 2. Color of the sun at dawn 3. Moon being visible at dawn ... | UPSC CSE Pre 2013 PYQ | UPSCGPT