Topic Vectors
Asked 2 times across 2 UPSC exams over 8 years (2018–2026), peaking in 2018.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2018
- Recurs across 2 years (2018–2026)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2018 → NDA 2026
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2026
Two forces of equal magnitude simultaneously act at a point. It is observed that the resultant force is equal in magnitude to the individual forces. Which of the following statements is/are correct?
- The angle between one of the individual forces and the resultant force is π/3
- The angle between the individual forces is 2π/3. Select the answer
using the code given below.
- A I only
- B II only
- C Both I and II ✓
- D Neither I nor II
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
CDS2018
The position vector of a particle is r = 2t^2 x + 3t y + 4 z Then the instantaneous velocity v and acceleration a respectively lie
- A on xy-plane and along z-direction
- B on yz-plane and along x-direction
- C on yz-plane and along y-direction
- D on xy-plane and along x-direction ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →