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Physics GK · Q243

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Competitive Exams · Physics GK · question 243

Q243

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?

A.
Only 1, 2 and 3
B.
Only 3, 4 and 5
C.
Only 1, 2 and 4
Answer
D.
Only 2, 3 and 5

Answer: Option C

Solution

Answer: Option C
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