NCERT Solutions for class 11 Physics | Chapter 4 - Motion in a Plane

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 A moves with 65 km/h while B is coming back of A with 80 km/h. The relative velocity of B with respect to A is
A 15 km/h
B 145 km/h
C 60 km/h
D 80 km/h

Answer:15 km/h
2 The direction of the angular velocity vector is along
A the axis of rotation
B the outward radius
C the inward radius
D the tangent to the circular path

Answer:the axis of rotation
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 A bullet is dropped from the same height when another bullet is fired horizontally. They will hit the ground
A simultaneously
B depends on the observer
C None of these
D one after the other

Answer:simultaneously
4 The shape of trajectory of the motion of an object is determined by
A All of these
B initial position
C acceleration
D initial velocity

Answer:All of these
5 Which of the following conditions are sufficient and essential for a quantity to be a vector?
A Magnitude, direction, and addition, subtraction multiplication and division by vector laws
B Magnitude, direction and combination of vectors by ordinary rules of algebra
C Magnitude and addition, subtraction, multiplication by ordinary rules of algebra
D Magnitude and direction

Answer:Magnitude, direction, and addition, subtraction multiplication and division by vector laws
6 How many minimum number of vectors in different planes can be added to give zero resultant?
A 4
B 5
C 3
D 2

Answer:4
7 Motion in a plan
A -3/2
B 3/2
C -1
D 0

Answer:-3/2
8 Acceleration due to gravity
A polar vector
B a scalar
C a vector
D None of these

Answer:polar vector
9 The resultant of A × 0 will be equal to
A zero vector
B zero
C A
D unit vector

Answer:zero vector
10 Two vectors A and B lie in a plane, a third vector C lies outside this plane, the sum of these vectors A + B + C (a) can be zero
A can never be zero
B can be zero
C Both
D None of these

Answer:can never be zero
11 Motion in a Plane
A 10 t
B 5 t
C 3 t
D 2 t

Answer:10 t
12 A particle moves in a plane with a constant acceleration in a direction different from the initial velocity. The path of the particle is a/an
A parabola
B straight line
C arc of a circle
D ellipse

Answer:parabola
13 A boat crosses a river with a velocity of 8 km/h. If the resulting velocity of boat is 10 km/h then the velocity of river water is
A 6 km/h
B 8 km/h
C 10 km/h
D 4 km/h

Answer:6 km/h
14 Centripetal acceleration is
A not a constant vector
B a magnitude changing vector
C a constant scalar
D a constant vector

Answer:not a constant vector
15 Motion in a Plane
A 45°
B 180°
C 0°
D 90°

Answer:45°
16 For motion in two or three dimensions, the angle between velocity and acceleration is
A Any angle between 0° & 180°
B 180°
C 90°
D 0°

Answer:Any angle between 0° & 180°
17 In the projectile motion, if air resistance is ignored, the horizontal motion is at
A constant velocity
B constant retardation
C constant acceleration
D variable acceleration

Answer:constant velocity
18 Motion in a Plane

Motion in a Plane

A (a)
B (b)
C (c)
D (d)

Answer:(a)
19 Motion in a Plane
A θ=120°
B θ=90°
C θ=0°
D None of these

Answer:θ=120°
20 Motion in a Plane
A 7√2 units
B 8.5 units
C 7 units
D 10 units

Answer:7√2 units

Random GK Questions

Q. Global warming is expected to result in :
Q. Rotation of crop means
Q. ........ is one of the biggest deltas of the world
Q. In the year 1977, an official committee was appointed to examine Panchayat Raj, under the chairmanship of
Q. Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of
Q. Aravalli ranges are an example of :

Chapters

Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series