NDA
General Ability
General Studies
2026
NDA 2026 (Phase 1)
NDA General Ability Question (2026) — Solution
Question
Consider the following statements: I. Earthquake waves are basically of two types, namely body waves and surface waves. II. The body waves interact with the surface rocks and generate surface waves. Which of the statements given above is/are correct?
Options
- A. I only
- B. II only
- C. Both I and II
- D. Neither I nor II
Step-by-step solution
Earthquake waves are broadly classified into two types: body waves and surface waves. Body waves are generated due to the release of energy at the focus and move in all directions travelling through the body of the Earth. When these body waves interact with the surface rocks, they generate a new set of waves called surface waves, which move along the surface. Thus, both statements I and II are correct. Answer: Both I and II
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