Discussion
At that same gradient, the depth at which rock reaches 200 degrees is about
Answer: C
Correct answer: 6 km
\[ z = \frac{200 - 20}{30} = 6\ \mathrm{km}. \] The linear extrapolation is reasonable within the upper crust but not beyond it - the gradient decreases substantially with depth, so applying this arithmetic to tens of kilometres gives temperatures far above the truth.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development