UTME Past Questions
Physics · 2024
40 questions
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/ 40
Question 01
A bifocal lens can be used to correct which type of defeat?
A
Shortsightedness
B
Long sightedness
C
Presbyopia
D
Astigmatism
Question 02
A car travels 8 km due north then 5 km at 60o east of north. What is the displacement from the starting point
A
13.21km
B
11.36km
C
8.32km
D
10.44km
Question 03
An objects is placed 10m in front of a plane mirror. If it is moved 8m further away from the mirror, what will be the new image distance from the object
A
8m
B
10m
C
18m
D
36m
Question 04
The device used to measure the angle of dip is
A
Dip protractor
B
Dip circle
C
Compass needle
D
Sextant
Question 05
What is the final volume of a gas with an initial volume of 546cm3 at 0
o
C, if the temperature drops to -100
o
C
A
364cm
3
B
436 cm
3
C
862 cm
3
D
346 cm
3
Question 06
Frictional force is an advantage in which of the following situation
A
Stopping a car suddenly
B
Holding an object firmly
C
Sliding down a slide
D
Walking on a slippery floor
Question 07
Which of these material has a very large gap
A
Copper (cu)
B
Silicon (Si)
C
Diamond (C)
D
Graphite (C)
Question 08
What is the flux density of a magnetic field whose flux is 1500uwb and a conducting surface area of 0.5m
2
A
750uT
B
30uT
C
300uT
D
3000uT
Question 09
A body is pulled on a smooth horizontal surface with a rope 30
o
to the vertical. If the effective force pulling the body along the horizontal surface is 15N, calculate the tension of the rope
A
17.3N
B
20.0N
C
30.0N
D
13.0N
Question 10
A spherical metal ball of radius 1 cm falls with a steady velocity of 2m/s down a viscous liquid in a container. If the viscous force of the liquid is 0.02N, at temperature room, calculate the coefficient of viscosity of the liquid (π=3.142)
A
0.021 pa. S
B
0.053pa. S
C
0.010 paS
D
0.002 Pas
Question 11
If the same quantity of heat is supplied to substance P and Q and P has a temperature rise twice that of Q and Q has a mass that is half of the mass of P. find the ratio of the specific heat capacity of P to that of Q
A
1:4
B
4:1
C
1:2
D
2:1
Question 12
If a virtual image appears larger than the objects and is formed on the same side as the object, the possible mirror\\ less is
A
Concave lens
B
Convex lens
C
Concave mirror
D
Convex mirror
Question 13
Calculate the energy stored in an inductor of inductance 10mH when current of 8A flows through.
A
6.4×10
-3
J
B
6.4×10
-1
J
C
3.2×10
-2
J
D
3.2×10
-2
J
Question 14
The displacement of a particle is given as s=2x3+5x--4, find the equation for the velocity.
A
6x
2
+5x
B
6x
3
+5
C
2x
3
+5x-4
D
6x
3
+5x-4
Question 15
The volume of a gas at 25
0
is said to be doubled at
A
556K
B
596K
C
273K
D
334K
Question 16
To prevent electric appliances from damage, all but one of these is commonly used.
A
Fuse
B
Surge protector
C
Overload protectors and relays
D
Switch
Question 17
Pascal law of pressure transmissibility is applicable to which of these devices
A
Hydraulic lift
B
Siphon
C
Hydrometer
D
Hygrometer
Question 18
How long does it takes a 7.50W rated filament to converts 0.01 kg of water at 100
o
C to steam.[specific latent heat of vapor of steam is 2.20×10
6
Jkg
-1
]
A
60.20 min
B
29.33 min
C
48.89 min
D
52.25 min
Question 19
For two traveling waves to forms a standing waves, the wave must have the same I. Frequency II. Wavelength III. Amplitude IV. Directions.
A
I and II
B
I and III
C
I,II and III
D
I,II,III and IV
Question 20
If the mass of an objects attached to the springs of a simple harmonic oscillator is doubled , what is the ratio of the new period to the old one
A
1/√2
B
/√2
C
2
D
1/2!
Question 21
A uniform solid cube materials of sides 10cm has a mass of 700g. what percentage of its volume will be submerged in water[relative density of water is 1g/cm
3
]
A
50%
B
60%
C
70%
D
80%
Question 22
The energy transfer process that is most clearly associated with a temperature differences is
A
Convection
B
Radiation
C
Conduction
D
Convection and radiation
Question 23
The flow a blood in human body based on the heat transfer process known as
A
Heat convection
B
Heat conduction
C
Heat radiation
D
Heat evaporation
Question 24
The amount of energy per unit mass that must be transferred as heat when a substance completely undergoes a phase changed is described as
A
Heat of vaporization
B
Heat of fusion
C
Heat of sublimation
D
Heat of transformation
Question 25
Which of the following statement is NOT TRUE
A
Lying on a bed of nail is more is more comfortable than sitting on the same bed
B
An ideal fluid has internal friction force between its adjacent layer
C
When a fluid is at rest in a container, all portion of the fluid must be in static equilibrium with respect to the observe
D
A changed in pressure applied to an enclosed fluid is transmitted to every point of the fluid and to the wall of the container.
Question 26
The function of a moderator in a nuclear reactor is to
A
Slow down high energy neutrons
B
Increase the chain reaction
C
Moderate the number nuclei available for the chain reaction
D
Increase the number of fissionable nuclei
Question 27
Which of the following statement is correct I. A freely suspended magnet always aligns in north to south direction II. The magnetic line of force due to a bar magnet cannot intersect at all III. In Fleming left hand rules, the middle finger represent the direction of magnetic field
A
I only
B
II only
C
I and II only
D
I,II and III only
Question 28
The magnetic flux in a coil changes from 20×10-1wb to 12×10-1wb in 0.2s calculate the value of the induced e.m.f.in the coil
A
0.4V
B
0.04V
C
4V
D
40V
Question 29
A 1.60×10-19C ion is accelerated from rest through a potential difference of 0.7kV to speed of 8.5×104m/s. calculate the mass of these ion.
A
1.67×10
27
kg
B
9.11×10
-31
kg
C
3.32×10
-26
kg
D
4.84×10
-20
kg
Question 30
Which of the following circuit exhibits maximum power dissipation
A
Pure inductive circuit
B
Pure capacitive circuit
C
Pure resistive circuit
D
Combined capacitive circuit
Question 31
An object is placed at 20cm in front of a concave mirror produce a three fold magnitude real image. Obtain the focal length of the mirror
A
15cm
B
6.6cm
C
7.5cm
D
10cm
Question 32
Which of the following is not as a consequence or application of the phenomenon of the total internal reflection
A
Brilliance of the diamond
B
Working of the optical fibre
C
Mirage on a hot summer day
D
Difference between real and apparent depth
Question 33
A hypermetropic person with near point 0.7m wears a spectacle of power 2.5D, the new near points is now
A
0.26m
B
0.75m
C
0.86m
D
0.17m
Question 34
Which of the following has the largest number of free electrons
A
Pure semiconductor
B
Impure semiconductor
C
Insulator
D
conductor
Question 35
In a PN junction diode
A
The current in the forward biased condition is generally very small
B
The current in the reversed biased condition is generally very high
C
The current in the reversed biased is generally very small
D
The forward biased current is very small in comparison to reversed biased current
Question 36
In photo electricity, the stopping potential of a fast moving photoelectrons is I. independent of frequency of incident photon II. Independent of wave length of the incident photon III. Independent of the intensity of incident photon Which of the statement above is or are true
A
I only
B
II only
C
III only
D
I and II only
Question 37
A string of mass 2500g and length 20m is under a tension of 2×10
2
N. if it I struck at the one end and produce a disturbance will reach the other end in
A
1.0 s
B
1.5s
C
2.0s
D
3.2s
Question 38
A man voice is usually different from a woman voice mainly due to difference in their
A
Pitch
B
Quality
C
Loudness
D
Wave length
Question 39
Railway line , 25 m long, are being laid when the temperature is 15
o
C. Gaps of 1.8cm are being left between them. At which temperature will they touch each other given that its coefficient of linear expansivity is 1.2×10
-5
/
o
C.
A
55
o
C
B
50
o
C
C
75
o
C
D
110
o
C
Question 40
The escape velocity of a body I. varies directly as its mass II. Varies inversely as its mass III. Varies directly as the square root of its mass IV. Does not depend on its mass. Which of these statement is true
A
I only
B
II only
C
III only
D
IV only
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