Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
The outer core of the Earth is in which state?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The Earth's outer core is in a liquid state, mainly consisting of molten iron and nickel. The movement of this liquid layer produces Earth's magnetic field via the geodynamo effect. The outer core extends from roughly 2,900 km below the surface to about 5,100 km.
Final Answer: Option B - Liquid