MCQ Questions Class 12 Vector Algebra-1
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MCQ Questions Class 12 Vector Algebra With Answers

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CBSE Class 12 Vector Algebra Multiple Choice Questions with Answers. MCQ Questions Class 12 Vector Algebra with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Vector Algebra with Answers to know their preparation level.

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Students who are searching for NCERT MCQ Questions Class 12 Vector Algebra with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 Vector Algebra with Answers. You can also verify your answers from the provided MCQ Class 12 Vector Algebra with Answers. So, ace up your preparation with MCQ of Class 12 Mathematics Examinations.

MCQ Questions Class 12 Vector Algebra with Answers - Set - 1

Question 1: 

Find the value of λ so that the vectors 2i^ − 4j^ + k^ and 4i^ − 8j^ + λk^  are parallel.

(a) -1

(b) 3

(c) -4

(d) 2

Correct Answer – (A)

Question 2: 

The two vectors a = 2i^ + j^ + 3k^ and b = 4i^ – λj^ +6k^ parallel, if λ is equal to (a) 2 (b) -3 (c) 3 (d) 2
Correct Answer – (D)

Question 3: 

If |a × b| = 4 and |a.b| = 2, then |a|2 |b|2 is equal to
(a) 2
(b) 6
(c) 8
(d) 20

Correct Answer – (D)

Question 4: 

A vecto of magnitude 5 and perpendicular to (i – 2j + k) and (2i + j – 3k) is 

MCQ Questions Class 12 Vector Algebra-04

Correct Answer – (A)

Question 5: 

A unit vector perpendicular to the plane of a = 2i^ – 6j^ – 3k^ and b =  4i^ + 3j^ – k^ is MCQ Questions Class 12 Vector Algebra-01
Correct Answer – (C)

MCQ Questions Class 12 Vector Algebra With Answers

Question 6: 

If |a|= 5, |b|= 13 and |a × b|= 25, find a.b
(a) ±10
(b) ±40
(c) ±60
(d) ±25

Correct Answer – (C)

Question 7: 

if a = (i^ + j^ + k^) ,a,b = 1 and a x b = j^ – k^ then b is 

(a) i^ – j^ + k^
(b) 2j^ – k^
(c) i^
(d) 2i^
Correct Answer – (C)

Question 8: 

|a × b|2 + |a.b|2 = 144 and |a| = 4, then |b| is equal to
(a) 12
(b) 3
(c) 8
(d) 4

Correct Answer – (B)

Question 9: 

If AB × AC = 2i^−4j^+ 4k^, then the are of ΔABC is (a) 3 sq. units (b) 4 sq. units (c) 16 sq. units (d) 9 sq. units

Correct Answer – (A)

Question 10: 

The area of parallelogram whose adjacent sides are i^ – 2j^ + 3k^ and 2i^ + j^ – 4k^ is (a) 10√6 (b) 5√6 (c) 10√3 (d) 5√3

Correct Answer – (B)
MCQ Questions Class 12 Vector Algebra With Answers
Set 1
Set 2
Set 3
Set 4
Set 5

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