NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.3

EASY

11th CBSE

IMPORTANT

Earn 100

Figure shows the orientation of two vectors $\vec{u}$ and $\vec{v}$ in the $X - Y$ plane.

If $\vec{u} = a i + b \hat{j}$ and

$\vec{v} = p \hat{i} + q \hat{ȷ}$

Which of the following is correct?

.

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Important Questions on Motion in a Plane

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.4

The component of vector

r

along

X

-axis will have maximum value if:

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.5

The horizontal range of a projectile fired at an angle of

15 °

is

50 m

. If it is fired with the same at an angle of

45 °

. Its range will be:

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.6

Consider the quantities, pressure, power, energy, impulse, gravitational potential, electric charge, temperature, area. Out of these, the only vector quantities are:

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.7

In a two dimensional motion, instantaneous speed

v_{0}

is positive, constant. Then which of the following are necessarily true?

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.8

In a two-dimensional motion, instantaneous speed

v_{0}

is positive and constant. Then which of the following are necessarily true?

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.9

Three vectors

\vec{A}, \vec{B}

and

\vec{c}

add up to zero. Find which is false.

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-I>Q 4.10

It is found that

| \vec{A} + \vec{B} | = | \vec{A} |

. this necessarily implies

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Physics - Class 11>Chapter 4 - Motion in a Plane>MCQ-II>Q 4.11

Two particles are projected in air with speed

v_{0}

at angles

θ_{1}

and

θ_{2}

, (both acute) to the horizontal, respectively. If the height reached by the first particle is greater than of the second, then tick the right choices