Projectile Motion-MCQ-Advance

Projectile Motion-MCQ-Advance

Dear Readers,

Physics is an important subject in preparation for various Competitive exams.To keep a track of your preparation we have designed a small quiz of 10 Advance Level Questions on Projectile Motion. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. An object is projected with a velocity of 20 m/s making an angle of 45^o with horizontal. The equation for the trajectory is h = Ax – Bx² where h is height, x is horizontal distance, A and B are constants. The ratio A : B is (g = 10 m/s²)

•  1:5
•  5:1
•  1:40
•  40:1

40:1

Q2. A ball is dropped from the top of a tower in a high speed wind. The wind exerts a steady force on the ball. The path followed by the ball will be

•  Parabola
•  Circular arc
•  Elliptical arc
•  Straight line

Straight line

Q3. Two paper screens (A) and (B) are separated by a distance of 100 m. A bullet pierces (A) and (B) the hole in (B) is 10 cm below the hole is (A). If the bullet is travelling horizontally at the time of hitting (A). Then velocity of the bullet at (A) is

•  100 m/sec
•  200 m/sec
•  600 m/sec
•  700 m/sec

700 m/sec

Q4. Two balls of same mass are thrown horizontally from the top of a tower in the opposite direction with velocities 3 m/s and 4 m/s. The distance between the balls, when their velocities are mutually perpendicular will be nearest to

•  10 m
•  7 m
•  5 m
•  2.5 m

2.5 m

Q5. A projectile has a maximum range of 16 km. At the highest point of its motion, it explodes into two equal masses. One mass drops vertically downwards the horizontal distance covered by the other mass from the time of explosion is

•  8 km
•  16 km
•  24 km
•  32 km

16 km

Q6. A body of mass m thrown horizontally with velocity v, from the top of tower of height h touches the level ground at a distance of 250 m from the foot of the tower. A body of mass 2m, thrown horizontally with a velocity v/2, from the top of tower of height 4 h will touch the level ground at a distance from the foot of tower

•  250 m
•  500 m
•  125 m
•  750 m

250 m

Q7. A hose shoots a stream of water at an angle of 60^o the horizontal with a velocity of 20 m/s. Water will strike a wall at a distance of 10 m at a height

•  5.36 m
•  10.22 m
•  12.42 m
•  16.84 m

12.42 m

Q8. A ball is thrown from the top of a tower with an initial velocity of 10 m/s at an angle of 30^o above the horizontal. It hits the ground at a distance of 17.3 m from the base of the tower. The height of the tower (g = 10 m/s²) will be

•  10 m
•  12 m
•  110 m
•  100 m

10 m

Q9. A particle having a mass of 0.5 kg is projected under gravity with a speed of 98 m/sec at an angle of 60^o. The magnitude of the change in momentum in N-sec of the particle after 10 seconds is

•  0.5
•  49
•  98
•  490

49

Q10. A ball is thrown up with a given angle to the horizontal. Then the total change of momentum by the instant it returns to the ground is equal to

•  Acceleration due to gravity × total time of flight
•  Weight of the ball × half the time of flight
•  Weight of the ball × total time of flight
•  None of these

Weight of the ball × total time of flight