PHYSICS 2022 UTME PAST QUESTION
1. The force that pushes a body in a liquid upwards is called
A. Upthrust
B. Weight
C. Thrust
D. Viscosity
2. The fundamental frequency of the diagram above is
A. f=〖V/2l〗
B. f = V/3l
C. f= V/4l
D. f= 2V/3l
3. In the diagram, x represents the
A. Frequency
B. Resonance frequency
C. Amplitude
D. Altitude
4. Which of the following remains unchanged when light travels from one mediums to another?
A. Frequency
B. Velocity
C. Wavelength
D. None
5. Which of the following instruments is used for measuring the thickness of potentionmeter wire?
A. Vernier caliper
B. Micrometer screw gauge
C. Metre rule
D. A pairs of caliper
6. A machine has a velocity ratio 8 and efficiency 80%. What is its mechanical advantage?
A. 8
B. 10
C. 6.4
D. 2.5
7. The escape velocity of a body on earth is 1100m/s. The body has an acceleration due to gravity of the same value on earth and in another planet. What is the velocity on the other planet if the distance on the planet is twice its distance on earth?
A. 1.1km/s
B. 1.6km/s
C. 2.2km/s
D. 1.8km/s
8. The half life of a substance is 2 days. What fraction will remain after 8 days?
A. ½
B. ¼
C. 1/8
D. 1/16
9. Which of the following is used in radioactive dating?
A. Car bon – 14
B. Carbon – 12
C. Cobalt – 60
D. None
10. An objects is projected at 30
o
to the horizontal with a velocity of 20m/s. what is the maximum height attained? [ g= 10m/s
2
].
A. 10m
B. 20m
C. 5m
D. 2m
11. One of the following is a secondary cell
A. Dry cell
B. Lead acid accumulator
C. Daniel cell
D. Leclanche cell
12. The pressure of 1 bar is equivalent to
A. 10 Pa
B. 1000Pa
C. 10,000Pa
D. 100,000pa
13. Which of the following has no effect on the sensitivity of a galvanometer?
A. The numbers of turns in the coil
B. The strength of the magnetic field
C. Gaps between the coil
D. The areas of the coil
14. The p – type diode has
A. More electrons than holes
B. Equal number of electrons and holes
C. More holes than electrons
D. None
15. In the diagram, what is the value of X, if the effective resistance is 1/1.2 homs
A. 1.2 hms
B. 1.4 hms
C. 2.2hms
D. 1.0hms
16. Which of the following are complementary colours?
A. Cyan and yellow
B. Green and yellow
C. Blue and yellow
D. Green and blue
17. If the system shown is in equilibrium, which of these is correct?
A. F
3
=F
1
B. F
2
=F
1
+F
3
C. F
3
=F
1
+F
2
D. F
2
+F
1
=0 s
18. Which of the following is no part of the factors which determine the free fall of an object in the earth’s field?
A. Location of an object in the earth
B. Mass of the object
C. Acceleration due to gravity
D. Weight of the body
19. Which of the following factors is common to all metals?
A. Hardness
B. Conductivity
C. Ductility
D. Malleability
20. The mass of an object discharge at the cathode is 15g.if the current passed through is 3A, the time is? [e.c.e=3.3×10
-7kgc-1
]
A. 996mins
B. 225mins
C. 253mins
D. 455mins
21. At resonance in an A.C circuit
A. X
L
=X
C
B. X
C
=1/2πfC
C. X
L
=0
D. X
C
=0
22. The use of lenses is NOT applicable in the
A. Projector
B. Human eye
C. Periscopes
D. Telescope
23. Tyres are threaded to
A. increase weight tyres
B. increase its longevity
C. increase friction
D. look good
24. A ray of light is incident normally on a plane mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of 30o determine the initial and final angles of reflection respectively.
A. 0
o
and 30
o
B. 90
o
and 60
o
C. 90
o
and 30
o
D. 0
o
and 60
o
25. A piece of chalk is broken into its smallest piece possible, what is the smallest pieces
A. Atom
B. Molecules
C. Ion
D. Neutron
26. Which law describe the direction of induced current with motion of fields?
A. Faraday’s law
B. Newton’s law
C. Lenz’s law
D. Fleming’s law
27. The electric irons use which principles?
A. Thermionic emission
B. Photo electric effect
C. Thermostat
D. Heating effect of current
28. Why is water not used as a thermometric fluid?
A. Water wets glass
B. Anomalous expansion between 0
o
C and 4
o
C
C. Water has a high coefficient of thermalcapacity
D. Water has a density of 1gcm
-3
29. Which of the following is a scalar quantity?
A. Movement
B. Momentum
C. Potential energy
D. Acceleration
30. When a man stand in water, his legs appear shorter, which principles cause this?
A. Reflections
B. Polarizations
C. Refractions
D. Diffractions
31. What is the dimension of movement?
A. MLT
-1
B. ML
-1
T
-2
C. ML
-1
D. MLT
A graph of P (pressure) 1/v(volume v) is
A. Parabola
B. Curved
C. Straight line
D. Hyperbola
33. The power factor of a D.C. circuit is always
A. Zero
B. Less than unity
C. Unity
D. Greater than unity
34. Which of the following uses force on current carrying conductor in a magnetic field? I. electric bell II. Electric iron III. Electric motor
A. I,II and III
B. I and II
C. II and III
D. III only
35. The mechanical advantage of a good machine is
A. Greater than 1
B. Equal to 1
C. Less than 1
D. Greater than or equal to1
36. Which of these is stated by kinetic molecular models in solid?
A. The molecules are closely related and little movement in them
B. The molecules are free to move around
C. The molecule are rigid and fixed with usually lattice arrangement
D. The molecules are loosely related with high movement
37. Birds can perch on electric cables and not be electrocuted because
A. The feet of birds are insulated
B. Birds are generally immune to electricity
C. Birds have less weight
D. Birds have feathers
38. A light of energy 10ev falls on a metals surface and electrons with a maximum kinetic energy of 4eV are ejected from the surface. What is the work function of the metal?
A. 10Ev
B. 4 eV
C. 6 eV
D. 2 eV
39. The height of a column with normal atmospheric pressure is
A. 760cm
B. 76cm
C. 7.6cm
D. 0.76cm
40. What is the S.I unit of heat capacity?
A. J/K
B. J/kg/K
C. J/kg
D. K/kg
Previous
Next