NDA 2022 General Knowledge question
In a group discussion on shape and size of the Earth, three students stated the following points : 1. Student 1 : The shape of the Earth is basically an oblate spheroid. 2. Student 2 : The polar diameter of the Earth is more than the equatorial diameter. 3. Student 3 : Bulge along the equatorial region is due to revolution of the Earth. Who among the above students is/are correct?
Answer: (A)
Solution
The Earth is an oblate spheroid, flattened at the poles and bulging at the equator, so Student 1 is correct. The equatorial diameter (about 12,756 km) is larger than the polar
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