11th Standard Syllabus & Materials

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11th Standard English Medium Maths Subject Vector Algebra - I Creative 1 Mark Questions with Solution

Published on: 25/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 11 Maths Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

Download Tamil Nadu 11th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Maths

chapter: - Creative Questions

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Questions:

Multiple Choice Question

5 x 1 = 5

Find the odd one out of the following

(a)

matrix multiplication

(b)

vector cross product

(c)

Subtraction

(d)

Matrix Addition

Assertion (A) : \(\overset { \rightarrow }{ a } ,\overset { \rightarrow }{ b } ,\overset { \rightarrow }{ c } \) are the position vector three collinear points then 2 \(\overset { \rightarrow }{ a }=\overset { \rightarrow }{ b } +\overset { \rightarrow }{ c } \)
Reason (R): Collinear points, have same direction

(a)

Both A and R are true and R is the correct explanation of A

(b)

Both A and R are true and R is not a correct explantion of A

(c)

A is true but R is false

(d)

A is false but R is true

Find the odd one out of the following

(a)

\(\hat { i } +2\hat { j } +3\hat { k } \)

(b)

\(2\hat { i } +4\hat { j } +6\hat { k } \)

(c)

\(7\hat { i } +14\hat { j } +21\hat { k } \)

(d)

\(\hat { i } +3\hat { j } +2\hat { k } \)

Assertion (A): If ABCD is a parallelogram, \(\overset { \rightarrow }{ AB } +\overset { \rightarrow }{ AD } +\overset { \rightarrow }{ CB } +\overset { \rightarrow }{ CD } \) then is equal zero.
Reason (R): \(\overset { \rightarrow }{ AB } \) and \(\overset { \rightarrow }{ CD } \) are equal in magnitude and opposite in direction. Also\( \overset { \rightarrow }{ AD } \) and \( \overset { \rightarrow }{ CB } \) are equal in magnitude and opposite in direction

(a)

Both A and R are true and R is the correct explanation of A

(b)

Both A and R are true and R is not a correct explantion of A

(c)

A is true but R is false

(d)

A is false but R is true

If m \(\left( \overset { \rightarrow }{ 2 } +\overset { \rightarrow }{ j } +\overset { \rightarrow }{ k } \right) \) is a unit vector then the value of m is ___________ .

(a)

\(\pm \frac { 1 }{ \sqrt { 3 } } \)

(b)

\(\pm \frac { 1 }{ \sqrt { 5 } } \)

(c)

\(\pm \frac { 1 }{ \sqrt { 6 } } \)

(d)

\(\pm \frac { 1 }{ {2 } } \)