GANGA INTERNATIONAL SCHOOL
QUESTION PAPER 2021 (Unit Test-2)
CLASS XI, SUBJECT PHYSICS
Time Allowed: 60 Minutes Max. Marks 25
General Instructions:
1. The question paper contains 25 questions and all the questions are compulsory.
2. Each question contains one mark each.
3. All questions carry equal marks.
4. There is no negative marking.
Q1. Two equal vectors have a resultant equal to either. The angle between them is?
(a) 60° (b) 90° (c) 100° (d) 120°
Q2. Which of the following is constant in a projectile motion?
(a) Horizontal component of the velocity
(b) Vertical component of the velocity
(c) Velocity of projection
(d) All of these
Q3. At the uppermost point of a projectile, its velocity and acceleration are at an angle of?
(a) 0° (b) 45° (c) 90° (d) 180°
Q4. The direction of the angular velocity vector is along?
(a) The tangent to the circular path
(b) The inward radius
(c) The outward radius
(d) The axis of rotation
Q5. A boat is sent across a river with a velocity of 8 kmh -1. If the resultant velocity of the boat is 10 kmh -1, then the
velocity of the river is
(a) 12.8 km h-1
(b) 6 km h-1
(c) 8 km h-1
(d) 10 km h-1
Q6. A ship A is moving westwards with a speed of 10 km h -1 and a ship B 100 km South of A, is moving Northwards with
a speed of 10 km h-1. The time after which the distance between them becomes shortest, is
(a) 5 h (b) 52 h (c) 102 h (d) 0 h
Q7. A body is whirled in a horizontal circle of radius 20 cm. It has an angular velocity of 10 rad/s. What is its linear
velocity at any point on circular path?
(a) 20 m/s (b) 2 m/s (c) 10 m/s (d) 2 m/s
Q8. If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between
these vectors is
(a) 0° (b) 45° (c) 90° (d) 180°
Q9. A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle.
The motion of the particle takes place in a plane. It follows that
(a) Its velocity is constant (b) Its acceleration is constant
(c) Its kinetic energy is constant (d) It moves in a straight line
Q10. The maximum velocity (in m/s) with which a car driver must traverse a flat curve of radius 150m and coefficient of
friction 0.6 to avoid skidding is
(a) 60 (b) 30 (c) 15 (d) 25
QUESTION PAPER 2021 (Unit Test-2)
CLASS XI, SUBJECT PHYSICS
Time Allowed: 60 Minutes Max. Marks 25
General Instructions:
1. The question paper contains 25 questions and all the questions are compulsory.
2. Each question contains one mark each.
3. All questions carry equal marks.
4. There is no negative marking.
Q1. Two equal vectors have a resultant equal to either. The angle between them is?
(a) 60° (b) 90° (c) 100° (d) 120°
Q2. Which of the following is constant in a projectile motion?
(a) Horizontal component of the velocity
(b) Vertical component of the velocity
(c) Velocity of projection
(d) All of these
Q3. At the uppermost point of a projectile, its velocity and acceleration are at an angle of?
(a) 0° (b) 45° (c) 90° (d) 180°
Q4. The direction of the angular velocity vector is along?
(a) The tangent to the circular path
(b) The inward radius
(c) The outward radius
(d) The axis of rotation
Q5. A boat is sent across a river with a velocity of 8 kmh -1. If the resultant velocity of the boat is 10 kmh -1, then the
velocity of the river is
(a) 12.8 km h-1
(b) 6 km h-1
(c) 8 km h-1
(d) 10 km h-1
Q6. A ship A is moving westwards with a speed of 10 km h -1 and a ship B 100 km South of A, is moving Northwards with
a speed of 10 km h-1. The time after which the distance between them becomes shortest, is
(a) 5 h (b) 52 h (c) 102 h (d) 0 h
Q7. A body is whirled in a horizontal circle of radius 20 cm. It has an angular velocity of 10 rad/s. What is its linear
velocity at any point on circular path?
(a) 20 m/s (b) 2 m/s (c) 10 m/s (d) 2 m/s
Q8. If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between
these vectors is
(a) 0° (b) 45° (c) 90° (d) 180°
Q9. A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle.
The motion of the particle takes place in a plane. It follows that
(a) Its velocity is constant (b) Its acceleration is constant
(c) Its kinetic energy is constant (d) It moves in a straight line
Q10. The maximum velocity (in m/s) with which a car driver must traverse a flat curve of radius 150m and coefficient of
friction 0.6 to avoid skidding is
(a) 60 (b) 30 (c) 15 (d) 25
