Physics
solved MCQ test series, questions answers expected in NEET, IIT JEE, Medical Entrance
Exams, Engineering Entrance Exams; B Tech Admission, MBBS Admission Tests and
other such competitive 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

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__Physics Test Series: Projectile Motion__

__Physics Test Series: Projectile Motion__

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

*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 30

^{0}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 30^{0}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 45

^{0}
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 30

^{0}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 60

^{0}and 30^{0}with the horizontal, then which will remain same –
a. Time of
flight

b. Range of
projectile

c. Max height
acquired

*Physics (Projectile Motion)*

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