Multiple Choice Questions (MCQs) of Projectile Motion Class XI
Each questions has FOUR possible answers. Bold faced is correct answer.
1. The
trajectory of projectile is:
(a) A
Straight line
(b) A Circle
(c) Parabola
(d)
Hyperbola
2.
Horizontal range of a projectile is maximum when it is fired at an angle of:
(a) 30⁰
(b) 45⁰
(c) 90⁰
(d) 30⁰
3. Circular
motion is:
a) One
dimensional
(b) Two
dimensional
(c) Three
dimension
(d) N.O.T
4. Direction
of angular velocity can be determined by:
(a) Law of sine
(b) Law of cosine
(c) Left
Hand Rule
(d) Right
Hand Rule
5. 2Ï€ radian
=
(a) 180⁰
(b) 360⁰
(c) 90⁰
(d) N.O.T
6. S =
(a) r/ θ
(b) rθ
(c) θ /r
(d) N.O.T
7. S.I unit
of angular displacement is:
(a)
Degree
(b) Radian
(c) Steradian
(d) N.O.T
8. S.I unit
of angular velocity is:
(a) m /s
(b) radian/s
(c) degree /sec
(d) N.O.T
10.
Projectile motion is:
(a) One dimensional
(b) Two dimensional
(c) Three dimension
(d) N.O.T
11. Height of projectile (h) =
(a) 1/2 vi²sin²Î¸/g
(b) vi²sin²Î¸/g
(c) vi²sin2θ
(d) N.O.T
12. When the
angle of projectile is 90⁰, then the horizontal range will be
(a)
Zero
(b) vi²sin2θ
(c) Maximum
(d)
13. In a projectile motion, the acceleration along vertical direction is
(a)Increases
(b) decreases
(c) becomes zero
(d)remain same
14. In a projectile motion , the acceleration along horizontal direction is
(a)Increases
(b) decreases
(c) becomes zero
(d)remain same
15. 1degree =
(a)0.174 rad
(b)0.0174 rad
(c)57.3 rad
(d)N.O.T
16. T-1 is the dimension of
(a)Angular velocity
(b) displacement
(c) time
(d)N.O.T
17. In the projectile motion , vertical component of velocity
(a)Increases
(b) decreases
(c) changes
(d) remain same
18. In a projectile motion the smaller angle of projection follows……..trajectory
(a) low
(b) high
(c)straight
(d)N.O.T
19. Path
followed by projectile is called:
(a) trajectory
(b) Orbit
(c) Range
(d) N.O.T
20. At the highest point vertical components of the velocity of the projectiles becomes
(a) Zero
(b) Minimum
(c) Maximum
(d) same
21. All along the trajectory of the projectile the……. components of velocity remain constant
(a) horizontal
(b) vertical
(c) both a and b
(d) N.O.T
22. Angle subtended at the centre of a circle by an arc equal in length to its radius is called:
(a) 1radian
(b) 1degree
(c) 1revolution
(d) same
23. The velocity of projectile is maximum
(a) at the point of projection
(b) at highest point
(c) at the point of projection and landing
(d) the point of landing
24. Maximum height of projectile depends on
(a) Size of projectile
(b)angle of projection
(c) velocity of projection
(d)Both b and c
25. Equation of trajectory of a projectile is:
(a) Y= xtanθ – gx²/ 2vi cos²Î¸
(b) Y= xtanθ –
(c) Y = tanθ –sin2θ x2
(d)N.O.T
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