# The Official Phy101 CBT Practice

40 Questions | Total Attempts: 579  Settings  This test was set up by Oyewole Kolawole David, the CEO of The Official Educational Consult, a student of Mechatronics Engineering department; Federal University, Oye Ekiti. Please attempt it and keep on practicing. Thanks Click Here to message us on WhatsApp.

• 1.
Which of the following quantities has the same dimensions as Kinetic Energy, 1/2mv^2?
• A.

Mgh

• B.

Ma

• C.

Mvt

• D.

Mgt

• 2.
At what time is the particle at the position x= 3t^2 - 12t + 20 at rest
• A.

2s

• B.

5s

• C.

10s

• D.

6s

• 3.
A car moving with a velocity of 15m/s accelerate uniformly at rate of 2m/s^2 to reach a velocity of 20m/s. The time taken and distance travelled are respectively:
• A.

3.5 m/s and 55m

• B.

2.5m/s and 35m

• C.

2.5m/s and 43.75m

• D.

3.5m/s and 65m

• 4.
All inertia frame of reference
• A.

Do not accelerate

• B.

Are in relative motion to absolute space

• C.

Holds true for all law of mechanics

• D.

All of the above

• 5.
The simple assumption that all possible reference frames moving with uniform velocity relative to one another are equivalent for the statement of laws of physics is called the_________
• A.

Principle of relativity

• B.

Uncertainty principle

• C.

Paulis exclusive principles

• D.

Charles principle

• 6.
Which of the following defines a local space in which the positions of other objects are then described
• A.

Point

• B.

Observer

• C.

Coordinates

• D.

Axes

• 7.
Galiliean invariance is also known as
• A.

Galiliean Mechanics

• B.

Galiliean theory

• C.

Galiliean relativity

• D.

Galiliean speed

• 8.
The path through which projectile travels is called ___________
• A.

Angle of projection

• B.

Projection

• C.

Projectile motion

• D.

Trajectory

• 9.
A gun of mass 10kg released a bullet of mass 20g at a speed of 100m/s. Find the gun's speed of recoil
• A.

2.0m/s

• B.

0.2m/s

• C.

20m/s

• D.

10m/s

• 10.
A particle is launched such that its maximum range is 26.4m.What is the speed at which it is lauched
• A.

32.4m/s

• B.

16.2m/s

• C.

8.1m/s

• D.

64m/s

• 11.
Force that acts on a mass of 1g and gives it an acceleration of 1cm/s^2 is defined as
• A.

1 Newton

• B.

2 Newton

• C.

1 Dyne

• D.

1 pa-force

• 12.
____________ quantities are known to be independent
• A.

Fundamental quantities

• B.

Derived quantities

• C.

Fundamental units

• D.

Derived Units

• 13.
Motion of object without a specific direction is
• A.

Rotational motion

• B.

Translational motion

• C.

Oscillatory motion

• D.

Random motion

• 14.
A _______________ body is one for which the distance between any two points of the body remains the same when the body is translated or rotated
• A.

Rigid

• B.

Concentrated

• C.

Flexible

• D.

Oblique

• 15.
A rock is dropped from a cliff that is 10m above ground level. How long does it take the rock to reach the ground
• A.

12s

• B.

4.5s

• C.

10s

• D.

20s

• 16.
____________ is the Head of Physics Department in Federal University Oyè Ekiti?
• A.

Dr. Hammed Shakirudeen

• B.

Dr. Dosu Malomo

• C.

• D.

Dr. Okolo

• 17.
The meaning of frame of reference is _________
• A.

Sound

• B.

Thermodynamics

• C.

Electromotive force

• D.

Space

• 18.
The speed of light is
• A.

2.3 x 10^-8

• B.

3 x 10^8

• C.

1.8 x 10^23

• D.

6.023 x 10^ 23

• 19.
The dynamics along with the problems without referring to toffee is force causing the motion of the body is
• A.

Rigid Body

• B.

Kinetics

• C.

Kinematics

• D.

Dynamics

• 20.
Total displacement covered in total time taken is termed as
• A.

Instantaneous velocity

• B.

Average velocity

• C.

Uniform velocity

• D.

Variable velocity

• 21.
An object is thrown with a velocity v= 5.0i + 8.0j in m/s. Find the time taken to reach the maximum height
• A.

0.82s

• B.

0.41s

• C.

1.64s

• D.

13s

• 22.
When the velocity of an object is doubled, its Kinetic Energy is
• A.

Doubled

• B.

Trippled

• C.

• D.

Constant

• 23.
When you look at the speedometer in a moving car, you can see the car's
• A.

Average Velocity

• B.

Instantaneous acceleration

• C.

Average acceleration

• D.

Instantaneous speed

• 24.
An object moves at a constant speed of 6m/s. This means that the object
• A.

Increases its speed by 6m/s every second

• B.

Decreases it's speed by 6m/s every second

• C.

Moves only by 6s by each meter

• D.

Moves 6m every seconds

• 25.
Suppose the position of a particle at time t, is given by the position vector, the derivative of the position gives
• A.

Velocity vector

• B.

Position Vector

• C.

Acceleration vector

• D.

Relative vector

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