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# Projectile Practice Level - 1

## 40 Questions MCQ Test | Projectile Practice Level - 1

Description
This mock test of Projectile Practice Level - 1 for Class 11 helps you for every Class 11 entrance exam. This contains 40 Multiple Choice Questions for Class 11 Projectile Practice Level - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Projectile Practice Level - 1 quiz give you a good mix of easy questions and tough questions. Class 11 students definitely take this Projectile Practice Level - 1 exercise for a better result in the exam. You can find other Projectile Practice Level - 1 extra questions, long questions & short questions for Class 11 on EduRev as well by searching above.
QUESTION: 1

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QUESTION: 2

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QUESTION: 3

### Range of a projectile is R, when the angle ofprojection is 30°. Then the value of the other angle of projection for the same range is

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QUESTION: 4

A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following quantities remains constant throughout the motion?

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QUESTION: 5

If R is the maximum horizontal range of a projectile,then the greatest height attained by it is

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QUESTION: 6

If the time of flight of a projectile is doubled, whathappens to the maximum height attained?

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QUESTION: 7

The path of one projectile as seen by an observeron another projectile is a/an:

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*Multiple options can be correct
QUESTION: 8

A body is projected at 30° with the horizontal. Theair offers resistance in proportion to the velocity of the body. Which of the following statements iscorrect?

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QUESTION: 9

A particle is projected with a velocity v so that its range on a horizontal plane is twice the greatest height attained. If g is acceleration due to gravity,then its range is

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QUESTION: 10

During a projectile motion if the maximum height equalsthe horizontal range, then the angle of projection with the horizontal is

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QUESTION: 11

What is the momentum of a body of 2 kg at its highest point, when thrown with a velocity of 15 m/s at an angle of of 70o with the horizontal?

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QUESTION: 12

The point from where a ball is projected is taken as theorigin of the coordinate axes. The x and y componentsof its displacement are given by x = 6t and y = 8t - 5t2.What is the velocity of projection?

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QUESTION: 13

In the above problem, what is the angle of projection with horizontal?

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QUESTION: 14

A particle is fired with velocity μ making angle θ withthe horizontal. What is the change in velocity whenit is at the height point?

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QUESTION: 15

A particle is fired with velocity μ making angle q with the horizontal. What is the change in velocity when it is at the height point?
a. μ cos q

b. μ

c. μ sin q

d. (μ cos q - μ)

Q.

In the above part  of the problem, change in speed is

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QUESTION: 16

A ball is thrown upwards at an angle of 60° to thehorizontal. It falls on the ground at a distance of 90 m.If the ball is thrown with the same initial velocity at anangle 30°, it will fall on the ground at a distance of

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QUESTION: 17

A projectile will cover same horizontal distance whenthe initial angles of projection are:

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QUESTION: 18

A shot is fired from a point at a distance of 200 m fromthe foot of a tower 100 m high so that it just passesover it horizontally. The direction of shot with horizontal is:

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QUESTION: 19

Two bullets are fired horizontally with different velocitiesfrom the same height. Which will reach the groundfirst?

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QUESTION: 20

The maximum height reached by projectile is 4 m. Thehorizontal range is 12 m. The velocity of projection in ms 1 is (g is acceleration due to gravity)

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QUESTION: 21

A ball thrown by one player reaches the other in 2 s.The maximum height attained by the ball above thepoint of projection will be about

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QUESTION: 22

For angles of projection of a projectile at angles (45+ α ) and (45 - α ), the horizontal ranges described bythe projectile are in the ratio of

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QUESTION: 23

At the top of the trajectory of a projectile, theacceleration is

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QUESTION: 24

A projectile is thrown at an angle of 40° with the horizontal and its range is R1. Another projectile is thrown at an angle 40° with the vertical and its range is R2. What is the relation between R1 and R2?

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QUESTION: 25

A projectile has a time of flight T and range R. If the time of flight is doubled, keeping the angle of projection same, what happens to the range?

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QUESTION: 26

At the uppermost point of a projectile, its velocity and acceleration are at an angle of

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QUESTION: 27

A ball is thrown from a point with a speed v0 at an angleof projection q . From the same point and at the same instant, a person starts running with a constant speedv0/2 to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?

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QUESTION: 28

An airplane moving horizontally with a speed of 180kmh-1 drops a food packet while flying at a height of490 m. The horizontal range of the food packet isg = 9.8 ms-2.

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QUESTION: 29

A gun fires two bullets at 60° and 30° with the horizontal.The bullets strike at some horizontal distance. The ratioof the maximum height for the two bullets is in the ratio:

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QUESTION: 30

A body is projected at an angle of 30° with the horizontal and with a speed of 30 ms-1. What is the angle with the horizontal after 1.5 s? (g = 10 ms-2)

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QUESTION: 31

A grasshopper can jump a maximum distance 1.6 m. It spends negligible time on the ground. How far can it go in 10 s?

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QUESTION: 32

The maximum height attained by a projectileis increased by 5%. Keeping the angle of projection constant, what is the percentage increase in horizontal range?

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QUESTION: 33

The maximum height attained by a projectileis increased by 10 %. Keeping the angle of projection constant, what is the percentage increase in the time of flight?

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QUESTION: 34

A body has an initial velocity of 3 m/s and has anacceleration of 1 ms-2 normal to the direction of the initial velocity. Then its velocity 4 s after the start is

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QUESTION: 35

When a particle is thrown horizontally, the resultant velocity of the projectile at any time t is given by

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QUESTION: 36

A hiker stands on the edge of a cliff 490 m abovethe ground and throws a stone horizontally witha speed of 15 ms-1. The time taken by the stone to reach the ground is (g = 9.8 ms-2)

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QUESTION: 37

A hiker stands on the edge of a cliff 490 m above the ground and throws a stone horizontally with a speed of 15 ms-1. The time taken by the stone
to reach the ground is (g = 9.8 ms-2).

a. 10 s

b. 5 s

c. 12 s

d. 15 s

Q.

In the above part, the vertical component ofthe velocity on hitting the ground is

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QUESTION: 38

A hiker stands on the edge of a cliff 490 m above the ground and throws a stone horizontally with a speed of 15 ms-1. The time taken by the stone to reach the ground is (g = 9.8 ms-2).

a. 10 s

b. 5 s

c. 12 s

d. 15 s

Q.

In the  above part , the speed with whichstone hits the ground is

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QUESTION: 39

Two tall buildings are 30 m apart. The speed with which a ball must be thrown horizontally from a window 150m above the ground in one building so that it enters awindow 27.5 m from the ground in the other building is

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QUESTION: 40

A shell fired from the ground is just able to crosshorizontally the top of a wall 90 m away and 45 m high. The direction of projection of the shell will be:

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