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Free download in PDF Class 11 Physics Chapter 3 Motion in a Straight Line Multiple Choice Questions and Answers for Board, JEE, NEET, AIIMS, JIPMER, IIT-JEE, AIEE and other competitive exams. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. These short solved questions or quizzes are provided by Gkseries. These will help the students for preparation of their examination./p>
(1)
Which one of the following is the unit of velocity?
[A]
kilogram
[B]
metre
[C]
m/s
[D]
second
(2)
The dimensional formula for acceleration is
[A]
[LT2]
[B]
[LT?2]
[C]
[L2T]
[D]
[L2T2]
(3)
A boy moves on a circular distance of radius R. Starting from a point A he moves to a point B which is on the other end of the diameter AB. The ratio of the distance travelled to the displacement made by him is
[A]
∏/2
[B]
∏
[C]
2∏
[D]
4∏
(4)
A body starts from rest and travels for five seconds to make a displacement of 25 m if it has travelled the distance with uniform acceleration a then a is
[A]
3 m/s²
[B]
4 m/s²
[C]
2 m/s²
[D]
1 m/s²
(5)
A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s. Then t is
[A]
10 s
[B]
5 s
[C]
20 s
[D]
6 s
(6)
A boy starts from a point A, travels to a point B at a distance of 1.5 km and returns to A. If he takes one hour to do so, his average velocity is
[A]
3 km/h
[B]
zero
[C]
1.5 km/h
[D]
2 km/h
(7)
The dimensional formula for velocity is
[A]
[LT]
[B]
[LT-1]
[C]
[L2T]
[D]
[L-1T]
(8)
Which one of the following is the unit of velocity?
[A]
kilogram
[B]
metre
[C]
m/s
[D]
second
(9)
A body starts from rest and travels with uniform acceleration on a straight line. If its velocity after making a displacement of 32 m is 8 m/s, its acceleration is
[A]
1 m/s²
[B]
2 m/s²
[C]
3 m/s²
[D]
4 m/s²
(10)
A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is 10 m/s . Then t is
[A]
10 s
[B]
5 s
[C]
20 s
[D]
6 s
(11)
The displacement in metres of a body varies with time t in second as y = t2 – t – 2. The displacement is zero for a positive of t equal to
[A]
1 s
[B]
2 s
[C]
3 s
[D]
4 s
(12)
The displacement in metres of a body varies with time t in second as y = t2 – t – 2. The displacement is zero for a positive of t equal to
[A]
1 s
[B]
2 s
[C]
3 s
[D]
4 s
(13)
A boy starts from a point A, travels to a point B at a distance of 3 km from A and returns to A. If he takes two hours to do so, his speed is
[A]
3 km/h
[B]
zero
[C]
2 km/h
[D]
1.5 km/h
(14)
A 180 metre long train is moving due north at a speed of 25 m/s. A small bird is flying due south, a little above the train, with a speed of 5 m/s. The time taken by the bird to cross the train is
[A]
10 s
[B]
12 s
[C]
9 s
[D]
6 s
(15)
A body starts from rest and travels for t second with uniform acceleration of 2 m/s². If the displacement made by it is 16 m, the time of travel t is
[A]
4 s
[B]
3 s
[C]
6 s
[D]
8 s
(16)
A body starts from rest and travels with uniform acceleration of 2 m/s². If its velocity is v after making a displacement of 9 m, then v is
[A]
8 m/s
[B]
6 m/s
[C]
10 m/s
[D]
4 m/s
(17)
A body starts from rest. If it travels with an acceleration of 2 m/s², its displacement at the end of 3 seconds is
[A]
9 m
[B]
12 m
[C]
16 m
[D]
10 m
(18)
A body starts from rest and travels with uniform acceleration a to make a displacement of 6 m. If its velocity after making the displacement is 6 m/s, then its uniform acceleration a is
[A]
6 m/s²
[B]
2 m/s²
[C]
3 m/s²
[D]
4 m/s²
(19)
The dimensional formula for speed is
[A]
T-1
[B]
LT-1
[C]
L-1T-1
[D]
L-1T
(20)
A boy starts from a point A, travels to a point B at a distance of 1.5 km and returns to A. If he takes one hour to do so, his average velocity is
[A]
3 km/h
[B]
zero
[C]
1.5 km/h
[D]
2 km/h
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