NCERT Based Vector Algebra Objective Questions
NCERT Based Vector Algebra Objective Questions
Class: CBSE Class 12
Subject: Mathematics
Section: Vector Algebra
Topic: NCERT Based Vector Algebra MCQs
Exam Focus: CBSE Board Examinations
Subject: Mathematics
Section: Vector Algebra
Topic: NCERT Based Vector Algebra MCQs
Exam Focus: CBSE Board Examinations
Instructions: These Multiple Choice Questions (MCQs) are strictly designed as per the NCERT syllabus, making them ideal for CBSE Class 12 Board Examination preparation. Each answer includes a concept‑clearing explanation.
Q1. A vector quantity has:
Answer: a)
Vectors require both magnitude and direction.
Vectors require both magnitude and direction.
Q2. Magnitude of unit vector:
Answer: a)
Q3. Dot product result:
Answer: a)
Q4. Cross product result:
Answer: a)
Q5. If a·b = 0 ⇒ vectors are:
Answer: a)
Q6. |a×b| represents:
Answer: a)
Q7. Scalar triple product gives:
Answer: a)
Q8. Coplanar vectors STP:
Answer: a)
Q9. Direction cosines define:
Answer: a)
Q10. l²+m²+n² =
Answer: a)
Q11. a·a equals:
Answer: a)
Q12. Parallel vectors cross product:
Answer: a)
Q13. Vector triple product gives:
Answer: a)
Q14. Unit vector along a:
Answer: a)
Q15. Angle between vectors via dot product:
Answer: a)
Q16. Right‑hand rule used in:
Answer: a)
Q17. Zero vector magnitude:
Answer: a)
Q18. Orthogonal vectors dot product:
Answer: a)
Q19. Direction ratios proportional to:
Answer: a)
Q20. Vector addition follows:
Answer: a)
Triangle/parallelogram law governs vector addition.
Triangle/parallelogram law governs vector addition.
