Projectile Motion - MCQ test series with solutions | Prepare Physics for NEET, IIT JEE, MBBS and B Tech entrance exams

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Practice questions answers from some of these topics (Projectile Motion - Syllabus):

Projectile Motion; Projectile Motion in an inclined plane; Relative Motion between two Projectiles; Motion in two dimensions; Cases of Uniform Velocity and Uniform Acceleration-Projectile Motion; Motion of objects in three dimensional space

Physics Test Series: Projectile Motion

Multiple Choice Questions – Set 3 (Q. No. 21-30)

Question 21: A projectile has –

a. Minimum velocity at the point of projection and maximum at the maximum height

b. Maximum at the point of projection and minimum at the maximum height

c. Same velocity at any point in its path

d. Zero velocity at the maximum height irrespective of the velocity of projection

Question 22: A ball is thrown at an angle of 30⁰ to the horizontal. It falls on the ground at a distance of 90m. If the ball is thrown with the same initial speed at an angle 30⁰ to the vertical, it will fall on the ground at a distance of –

a. 120 m

b. 27 m

c. 90 m

d. 30 m

Question 23: At the top of the trajectory of a projectile, the directions of its velocity and acceleration are:

a. Parallel to each other

b. Anti-parallel to each other

c. Inclined to each other at an angle of 45⁰

d. Perpendicular to each other

Question 24: For a projectile, the physical quantity that remains constant is –

a. Vertical component of velocity and kinetic energy

b. Potential energy and kinetic energy

c. Horizontal component of velocity and acceleration

d. Potential energy and acceleration

Question 25: In the motion of a projectile freely under gravity, its:

a. Total energy is conserved

b. Momentum is conserved

c. Energy and momentum both are conserved

d. None is conserved

Question 26: A projectile is thrown with a speed v at an angle θ with the vertical. Its average velocity between the instants it crosses half the maximum height is –

a. V sin θ, horizontal and in the plane of projection

b. V cos θ, horizontal and in the plane of projection

c. 2v sin θ, horizontal and perpendicular to the plane of projection

d. 2v cos θ, vertical and in the plane of projection

Question 27: A ball is thrown up with a certain velocity at an angle θ to the horizontal. The kinetic energy KE of the ball varies with height h as:

Question 28: A ball is projected with velocity 80 m/s and an angle 30⁰ from horizontal the range will be –

a. 562 m

b. 286 m

c. 188 m

d. 1130 m

Question 29: A solid sphere and a hollow sphere are thrown horizontally from a cliff with equal velocities respectively. Then which sphere reaches first on earth?

a. Solid sphere

b. Hollow sphere

c. Both spheres simultaneously

d. We cannot say because masses of spheres are not given.

Question 30: Two projectiles of same mass and with same velocity are thrown at an angle 60⁰ and 30⁰ with the horizontal, then which will remain same –

a. Time of flight

b. Range of projectile

c. Max height acquired

d. All of them

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Physics Objective Questions: Projectile Motion - Solved Test Series for preparation of Engineering and Medical Entrance Exams, JEE

Physics expected objective questions, test series with solutions for preparation Medical and Dental Entrance Exams, Engineering Entrance Exams; all JEE, NEET preparation, IIT JEE, and other such competitive exams.

Syllabus

Projectile Motion; Projectile Motion in an inclined plane; Relative Motion between two Projectiles; Motion in two dimensions; Cases of Uniform Velocity and Uniform Acceleration-Projectile Motion; Motion of objects in three dimensional space

Physics Guide: Projectile Motion

Multiple Choice Questions – Set 2 (Q. No. 11-20)

Question 11: two stones having different masses m₁ and m₂ are projected at an angle α and (90⁰ – α) with same speed from same point. The ratio of their maximum heights is:

a. 1 : 1

b. 1 : tan α

c. tan α : 1

d. tan² α : 1

Question 12: In the motion of a projectile freely under gravity its –

a. Total energy is conserved

b. Momentum is conserved

c. Energy and momentum both are conserved

d. None is conserved

Question 13: At the maximum height of a projectile, the velocity and acceleration are –

a. Parallel to each other

b. Anti-parallel to each other

c. Perpendicular to each other

d. Inclined to each other at 45⁰

Question 14: A projectile is thrown with speed 40 ms^-1 at angle θ from horizontal. It is found that projectile is at same height at 1s and 3s. What is the angle of projection?

a. tan^-1 (1/√2)

b. tan^-1 (1/√3)

c. tan^-1 (√3)

d. tan^-1 (√2)

Question 15: A person standing at some distance from a high tree, throws a stone taking aim at a fruit hanging from that tree, and at the same instant of time the fruit begins to fall freely. Of the following statement which is correct?

a. The stone always remains above the falling fruit

b. The stone strikes the fruit if the stone is thrown with a definite minimum velocity

c. The stone moves below the falling stone

d. The stone always hits the fruit

Question 16: The maximum height attained by a projectile is increased by 10% by increasing its speed of projection, without changing the angle of projection. The percentage increase in the horizontal range will be:

a. 20%

b. 15%

c. 10%

d. 5%

Question 17: A bomb is dropped from an aeroplane moving horizontally at constant speed. When air resistance is taken into consideration, the bomb –

a. Falls to earth exactly below the aeroplane

b. Falls to earth behind the aeroplane

c. Falls to earth ahead of the aeroplane

d. Flies with the aeroplane

Question 18: A stone is just dropped from the window of a train moving along a horizontal straight track with uniform speed. The path of the stone is –

a. A parabola for an observer standing by the side of the track

b. A horizontal straight line for an observer inside the train

c. Both of the above are true

d. None of the above is true

Question 19: In a typical projectile motion:

Tangential acceleration at the top most point P of the trajectory is:

a. g

b. g cos θ

c. zero

d. None of these

Question 20: A ball is thrown at an angle θ with the horizontal. Its horizontal range is equal to its maximum height. This is possible only when the value of tan θ is:

a. 4

b. 2

c. 1

d. 0.5

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Projectile Motion - Physics Objective Questions and Solved Test Series 

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Physics >> Projectile Motion

Physics online preparation test series with solutions for AIPMT, NEET, IITJEE, AIEEE, WBJEE, NAT, BITSAT, AFMC, OJEE, Bihar PMT, KIITEE, COMEDK, VITEEE, UPCAT, EAMCET, JIPMER, BHU PMT, all Medical and Engineering Joint Entrance Exams; MBBS Admission Tests.

Practice questions with solutions on the syllabus topics (randomly selected):

Projectile Motion; Projectile Motion in an inclined plane; Relative Motion between two Projectiles; Motion in two dimensions; Cases of Uniform Velocity and Uniform Acceleration-Projectile Motion; Motion of objects in three dimensional space

Physics: Projectile Motion

Multiple Choice Questions – Set 1 (Q. No. 1-10)

Question 1: The time of flight of projectile is 10 second and its range is 500m. The maximum height reached by it will be – (g = 10 m/s²)

a. 25 m

b. 50 m

c. 82 m

d. 125 m

Question 2: Velocity of an oblique projectile in its flight –

a. Remains constant in its flight

b. First decreases, becomes zero and then increases

c. First decreases, reaches a minimum and then increases

d. First increases, reaches a maximum and then decreases

Question 3: A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following remains constant –

a. Kinetic energy of the ball

b. Speed of the ball

c. Horizontal component of velocity

d. Vertical component of velocity

Question 4: Which one of the following statements is not true about the motion of a projectile?

a. The time of flight of a projectile is proportional to the speed with which it is projected at a given angle of projection

b. The horizontal range of a projectile is proportional to the square root of the speed with which it is projected

c. For a given speed of projection, the angle of projection for maximum range is 45⁰

d. At maximum height, the acceleration due to gravity is perpendicular to the velocity of the projectile

Question 5: The maximum range of a gun on horizontal terrain is 1.0 km. If g = 10 m/s² what must be the muzzle velocity of the shell?

a. 400 m/s

b. 200 m/s

c. 100 m/s

d. 50 m/s

Question 6: A ball is thrown horizontally and the same time another ball is dropped down from the top of a tower

(A) Both the balls will reach the ground at the same time

(B) Both will strike the ground with the same velocity

a. (A) is true and (B) is false

b. (A) is true and (B) is true

c. (A) is false and (B) is true

d. (A) is false and (B) is false

India Study Solution

Physics : Projectile Motion

Solutions of Test Series – Set 1 (Q. No.1 –10)

Answer 1: (d).   Answer 2: (c).   Answer 3: (c).   Answer 4: (b).

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