Indian Geography UPPSC 2005 GS-I
Question

When the moon size is half of the full moon, the angle between the Sun, the Earth and the Moon is

Answer & Solution

Answer: (Detailed Solution Below)

Option B: 90°

Detailed Solution:

The correct answer is “90°”.

When the Moon appears half illuminated (first or last quarter moon), the angle between the Sun, the Earth, and the Moon is 90 degrees. This is because the Sun, Earth, and Moon form a right angle at these phases.

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