Students are advised to practice the NCERT MCQ Questions for Class 11 Physics Chapter 4 Motion in a Plane with Answers Pdf free download is available here. MCQ Questions for Class 11 Physics with Answers are prepared as per the Latest Exam Pattern. Students can solve these Motion in a Plane Class 11 MCQs Questions with Answers and assess their preparation level.
Motion in a Plane Class 11 MCQs Questions with Answers
Solving the Motion in a Plane Multiple Choice Questions of Class 11 Physics Chapter 4 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Motion in a Plane Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 4 Physics Class 11 and cross-check your answers during preparation.
Question 1.
A body of mass 500 gram is rotating in a vertical circle of radius 1 m. What is the difference in its kinetic energies at the top and the bottom of the circle?
(a) 4.9 J
(b) 19.8 J
(c) 2.8 J
(d) 9.8 J
Answer
Answer: (d) 9.8 J
Question 2.
A particle has a displacement of 2 units along the x -axis, 1 unit along the y – axis and 2 units along the z – axis. Then the resultant displacement of the particle is
(a) 3 units
(b) 5 units
(c) 4 units
(d) 1 units
Answer
Answer: (a) 3 units
Question 3.
A car is moving on a circular path and takes a turn. If R1 and R² are the reactions on the inner and outer wheels respectively, then
(a) R1 = >R²
(b) R1 = R²
(c) R1 < R²
(d) R1 > R²
Answer
Answer: (c) R1 < R²
Question 4.
The angle between centripetal acceleration and tangential acceleration is?
(a) 180°
(b) 0°
(c) 90°
(d) 45°
Answer
Answer: (c) 90°
Question 5.
Large angle produces?
(a) high trajectory
(b) curve trajectory
(c) flat trajectory
(d) straight trajectory
Answer
Answer: (a) high trajectory
Question 6.
He dimensional formula for normal acceleration is
(a) LT-1
(b) L2T2
(c) L3T-2
(d) LT-2
Answer
Answer: (d) LT-2
Question 7.
A book is pushed with an initial horizontal velocity of 5.0 meters per second off the top of a desk. What is the initial vertical velocity of the book?
(a) 10. m/s
(b) 0 m/s
(c) 50 m/s
(d) 2.5 m/s
Answer
Answer: (b) 0 m/s
Question 8.
One radian is defined to be the angle subtended where the arc length S is exactly equal to the?
(a) radius of the circle.
(b) diameter of the circle.
(c) circumference of the circle.
(d) half of radius of the circle.
Answer
Answer: (a) radius of the circle.
Question 9.
A body travels along the circumference of a circle of radius 2 m with a linear velocity of 6 m/s. Then its angular velocity is
(a) 6 rad /s
(b) 3 rad /s
(c) 2 rad / s
(d) 4 rad / s
Answer
Answer: (b) 3 rad /s
Question 10.
One° (1°) is equal to?
(a) 0.1745 rad
(b) 0.01745 rad
(c) 0.001745 rad
(d) 7.1745 rad
Answer
Answer: (b) 0.01745 rad
Question 11.
A body makes a displacement of 4 m due East from a point O and then makes displacement of 3 m due North. Its resultant displacement from O
(a) 7 m
(b) 1 m
(c) 5 m
(d) 1 . 2 m
Answer
Answer: (c) 5 m
Question 12.
A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop?
(a) D
(b) 4/5 D
(c) 5/4 D
(d) 2D
Answer
Answer: (c) 5/4 D
Question 13.
One radian is equal to?
(a) 57.7°
(b) 53.7°
(c) 59.3°
(d) 57.3°
Answer
Answer: (d) 57.3°
Question 14.
A small body attached at the end of an inextensible string completes a vertical circle, then its
(a) angular momentum remains constant
(b) linear momentum remains constant
(c) angular velocity remains constant
(d) total mechanical energy remains constant
Answer
Answer: (d) total mechanical energy remains constant
Question 15.
A body gose round the circumference of a circle of radius 2 m with an angular velocity of 2 rad/s. Its centripetal acceleration is
(a) 3 m/s²
(b) 1 . 5 m/s²
(c) 6 m/s²
(d) 12 m/s²
Answer
Answer: (d) 12 m/s²
Question 16.
A book is pushed with an initial horizontal velocity of 5.0 meters per second off the top of a desk. What is the initial vertical velocity of the book?
(a) 10. m/s
(b) 0 m/s
(c) 50 m/s
(d) 2.5 m/s
Answer
Answer: (b) 0 m/s
Question 17.
Which is a constant for a freely falling object?
(a) displacement
(b) velocity
(c) acceleration
(d) speed
Answer
Answer: (c) acceleration
Question 18.
The tangential component and centripetal component of acceleration are?
(a) Similar to each other
(b) Parallel to each other.
(c) Equal to each other.
(d) Perpendicular to each other.
Answer
Answer: (d) Perpendicular to each other.
Question 19.
A body travels along the circumference of a circle of radius 2 m with a linear velocity of 4 m/s. Its centripetal acceleration is
(a) 8 m/s²
(b) 16 m/s²
(c) 10 m/s²
(d) 4 m/s²
Answer
Answer: (a) 8 m/s²
Question 20.
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion takes place in a plane. It follows that
(a) its acceleration is constant
(b) its motion is circular
(c) its velocity is constant
(d) its motion is linear
Answer
Answer: (b) its motion is circular
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