Question
Download Solution PDFWhat is the average density of the earth ?
This question was previously asked in
UP Police Constable Re-Exam 2024 (अंतिम प्रहार) Based on the latest PYP: Mega Mock Test
Answer (Detailed Solution Below)
Option 4 : 5.517g cm-3
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Detailed Solution
Download Solution PDFThe correct answer is 5.517g cm-3
Key Points
- 5.517g cm-3 is the average density of the Earth.
- Density is calculated by dividing mass by volume.
- The Earth's mass is approximately 5.97 x 1024 kg.
- The Earth's volume is approximately 1.08 x 1012 km3.
- These values result in an average density of around 5.517g cm-3.
Additional Information
- The Earth's density varies from the surface to the core.
- The core is composed primarily of iron and nickel, which contributes to the high density.
- The mantle and crust have lower densities compared to the core.
- Understanding Earth's density helps in studying its internal structure and composition.
- Geophysical methods, such as seismology, provide insights into the density distribution within the Earth.
Last updated on Jun 5, 2025
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