Recommended PYQs (STRICTLY NCERT Based) Motion in A Straight Line Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The velocity

$(v)$ -time

$(t)$ plot of the motion of a body is shown below:

The acceleration

$(a)$ -time

$(t)$ graph that best suits this motion is:

1.		2.
3.		4.

Subtopic: Graphs |

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Q2:

An object falls freely from height

$h$ above the ground. It travels

$\dfrac{5}{9}h$ of the total height in the last

$1~\text{s}.$ The height

$h$ is:

$\left (\text{use}~g =10~\text{m/s}^{2} \right )$
1.

$5~\text{m}$
2.

$25~\text{m}$
3.

$45~\text{m}$
4.

$58~\text{m}$

Subtopic: Uniformly Accelerated Motion |

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Q3:

The speed

$(s)$ of a car as a function of time

$(t)$ is shown figure, The distance travelled by the car in

$8$ seconds is:

1.

$180~\text{m}$
2.

$60~\text{m}$
3.

$80~\text{m}$
4.

$18~\text{m}$

Subtopic: Distance & Displacement |

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Q4:

A particle is moving along the

$x\text-$ axis with its position

$(x)$ varying with time

$(t)$ as

$x=\alpha t^{4}+\beta t^{2}+\gamma t+\delta.$ The ratio of its initial velocity to its initial acceleration is:
1.

$2\alpha:\delta$
2.

$\gamma:2\delta$
3.

$4\alpha:\beta$
4.

$\gamma:2\beta$

Subtopic: Instantaneous Speed & Instantaneous Velocity |

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Q5:

A vehicle travels half the distance with speed

$v$ and the remaining distance with speed

$2v.$ Its average speed is:
1.

$\frac{3v}{4}$
2.

$\frac{v}{3}$
3.

$\frac{2v}{3}$
4.

$\frac{4v}{3}$

Subtopic: Average Speed & Average Velocity |

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Q6:

A horizontal bridge is built across a river. A student standing on the bridge throws a small ball vertically upwards with a velocity

$4$ ms^–1. The ball strikes the water surface after

$4$ s. The height of bridge above water surface is: (Take

$g=10~ \text {ms}^{-2}$ )

1.	$68$ m	2.	$56$ m
3.	$60$ m	4.	$64$ m

Subtopic: Uniformly Accelerated Motion |

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Q7:

The displacement-time

$(s\text-t)$ graphs of two moving particles

$A~\text{and}~B$ make angles of

$30^\circ$ and

$45^\circ$ with the

$x\text-$ axis as shown in the figure. The ratio of their respective velocity

$\left(\dfrac{v_A}{v_B}\right)$ is:

1.

$1: \sqrt{3}$
2.

$\sqrt{3}: 1$
3.

$1:1$
4.

$1:2$

Subtopic: Graphs |

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Q8:

The ratio of the distances travelled by a freely falling body in the

$1$ ^st,

$2$ ^nd,

$3$ ^rd and

$4$ ^th second is:
1.

$1:1:1:1$
2.

$1:2:3:4$
3.

$1:4:9:16$
4.

$1:3:5:7$

Subtopic: Uniformly Accelerated Motion |

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Q9:

A stone is thrown vertically downwards with an initial velocity of $40$ m/s from the top of a building. If it reaches the ground with a velocity of $60$ m/s, then the height of the building is: (take $g=10$ m/s²)
1. $120$ m
2. $140$ m
3. $80$ m
4. $100$ m

Subtopic: Uniformly Accelerated Motion |

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Q10:

The figure given below shows the displacement and time, $(x\text -t)$ graph of a particle moving along a straight line:

The correct statement, about the motion of the particle, is:

1.	the particle moves at a constant velocity up to a time $t_0$ and then stops.
2.	the particle is accelerated throughout its motion.
3.	the particle is accelerated continuously for time $t_0$ then moves with constant velocity.
4.	the particle is at rest.

Subtopic: Graphs |

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