The Official Phy101 CBT Practice

40 Questions | By Www.kolaworley94 | Updated: Mar 21, 2022 | Attempts: 8072

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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.

Questions and Answers

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.
  
  Proffesor Alabadan
- 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.
  
  Quadrupled
- 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