Home › CBSE Class 11 › Geography › Interior of the Earth › The core mantle boundary lies at a depth of:
The core mantle boundary lies at a depth of:
A1,200 km
B5,100 km
C6,400 km
D2,900 km
Answer & Solution
Correct answer: D. 2,900 km
1. Wave velocities reveal where the core starts.
2. The mantle stops at that same depth.
3. The core mantle boundary is at 2,900 km.
4. So the answer is 2,900 km.
_Source: NCERT Class 11 Geography, Ch 3 'Interior of the Earth'_