CBSE Class 11 Physics Chapter 4 Motion in a Plane Multiple Choice Questions with Answers. MCQ Questions Class 11 Physics Motion in a Plane with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Physics Motion in a Plane MCQs with Answers to know their preparation level.
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MCQ Questions Class 11 Physics Motion in a Plane with Answers - Set - 4
Question 1:
The velocity of projection of a body is increased by 2%.
Other factors remaining unchanged, what will be the percentage change in the maximum height attained?
(a) 1%
(b) 2 %
(c) 4 %
(d) 8 %
Correct Answer – (C)
Question 2 :
A particle moving with velocity vr == k( yiˆ + xˆj), where k = constant. The general equation for its path is [C = constant]
(a) y = x2 + C
(b) y2 = x + C
(c) xy = C
(d) y2 = x2 + C
Correct Answer – (D)
Question 3 :
A particle has an initial velocity 3iˆ + 4 ˆj and an acceleration of 0.4iˆ + 0.3 ˆj . Its speed after 10 sec is
(a) 7 2 units
(b) 7 units
(c) 8.5 units
(d) 10 units
Correct Answer – (A)
Question 4 :
Which of the following statements is/are incorrect?
I. A scalar quantity is the one that is conserved in a process.
II. A scalar quantity is the one that can never take negative values.
III. A scalar quantity has the same value for observers
with different orientations of the axes.
(a) I and III
(b) II only
(c) II and III
(d) I and II
Correct Answer – (D)
Question 5 :
Consider the following statements and select the correct statements from the following.
I. Addition and subtraction of scalars make sense only for quantities with same units
II. Multiplication and division of scalars with different units is possible
III. Addition, subtraction, multiplication and division of scalars with same unit is possible
(a) I and II
(b) II and III
(c) I and III
(d) I, II and III
Correct Answer – (D)
MCQ Questions Class 11 Physics Motion in a Plane with Answers
Question 6 :
The coordinates of a particle moving in x–y plane at any instant of time t are x = 4t2; y = 3t2. The speed of the particle at that instant is
(a) 10 t
(b) 5 t
(c) 3 t
(d) 2 t
Correct Answer – (A)
Question 7 :
A particle moves in the X-Y plane with a constant acceleration 1.5 m/s2 in the direction making an angle of 37° with the X-axis. At t = 0 the particle is at the origin and its velocity is 8.0 m/s along the X-axis. Find the position of the particle at t = 4.0 s.
(a) (41.6m, 7.2 m)
(b) (50.3 m, 8.2 m)
(c) (60.2 m, 8.2 m)
(d) (11.2 m, 8 m)
Correct Answer – (A)
Question 8 :
Three vectors A, B and C add up to zero. Select the correct statements.
I (A × B) . C is not zero unless B, C are parallel
II If A,B,C define a plane, (A × B) × C is in that plane
III (A × B) .C = | A | | B | C | → C2 = A2 + B2
(a) I and II (b) II and III
(c) I and III (d) I, II and III
Correct Answer – (C)
Question 9 :
It is found that | A + B | = | A |. This necessarily implies,
(a) B = 0
(b) A and B are antiparallel
(c) A and B are perpendicular
(d) A.B < 0
Correct Answer – (B)
Question 10 :
The resultant of A × 0 will be equal to
(a) zero
(b) A
(c) zero vector
(d) unit vector
Correct Answer – (C)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
- NCERT Solutions Class 11 Physics Chapter 2 : Units And Measurements
- NCERT Solutions Class 11 Physics Chapter 3 : Motion In A Straight Line
- NCERT Solutions Class 11 Physics Chapter 4 : Motion In A Plane
- NCERT Solutions Class 11 Physics Chapter 5 : Laws of Motion
- NCERT Solutions Class 11 Physics Chapter 6 : Work Energy Power
- NCERT Solutions Class 11 Physics Chapter 7 : Rotational-Motion
- NCERT Solutions Class 11 Physics Chapter 8 : Gravitation
- NCERT Solutions Class 11 Physics Chapter 9 : Mechanical Properties of Solids
- NCERT Solutions Class 11 Physics Chapter 10 : Mechanical Properties of Fluids
- NCERT Solutions Class 11 Physics Chapter 11 : Thermal Properties of Matter
- NCERT Solutions Class 11 Physics Chapter 12 : Thermodynamics
- NCERT Solutions Class 11 Physics Chapter 13 : Kinetic Theory
- NCERT Solutions Class 11 Physics Chapter 14 : Oscillations
- NCERT Solutions Class 11 Physics Chapter 15 : Waves
