Consider the following phenomena:

I. Size of the sun at dusk.
II. Colour of the sun at dusk.
III. Moon being visible at dawn.
IV. Twinkle of stars in the sky.
V. Polestar being visible in the sky.

Which of the above are optical illusions ?

A I, II and III
B III, IV and V
C I, II and IV
D II, III and V
Answer & Explanation
Option: [C]

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