MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 15

EASY

MHT-CET

IMPORTANT

Earn 100

$\vec{A}$ is a vector with magnitude $A$ , then the unit vector $\hat{A}$ in the direction of $\vec{A}$ is,

50% studentsanswered this correctly

Important Questions on Scalars and Vectors

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 16

If a unit vector is represented by

0.5 \hat{i} - 0.8 \hat{j} + c \hat{k}

, then the value of

c

is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 17

A unit vector in the direction of the negative of the vector

(- \hat{i} + \hat{j} - \hat{k})

is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 18

If

\vec{A} = 2 \hat{i} + 6 \hat{j}

and

\vec{B} = 4 \hat{i} + 3 \hat{j}

, the vector having the same magnitude as

\vec{B}

and parallel to

\vec{A}

is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 19

If the sum of two unit vectors is a unit vector, then magnitude of difference is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 20

A vector $\vec{a}$ is turned without a change in its length through a small angle $dθ .$ The value of $\vec{| Δ a |}$ and $Δ a$ are respectively

Question Image

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 21

A vector of magnitude

a

is rotated through angle

θ

. What is the magnitude of the change in the vector?

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 22

The resultant of two vector

\vec{P}

and

\vec{Q}

is

\vec{R}

. If the magnitude of

\vec{Q}

is doubled, the new resultant becomes perpendicular to

\vec{P}

. Then the magnitude of

\vec{R}

is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 2 - Scalars and Vectors>Critical Thinking>Q 23

A force vector applied on a mass is represented as

\vec{F} = 6 \hat{i} - 8 \hat{j} + 10 \hat{k}

and accelerates with

1 m s^{- 2}

. What will be the mass of the body in

kg

?