Physics Past Questions

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1,904 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

1,904 questions
Question 1 of 20 1,904 total questions
Question 811
waec 1993
A lens of focal length 15.0 cm forms an upright image four times the size of an object. Calculate the distance of the image from the lens
A11.3cm
B18.8 cm
C37.5cm
D45.0cm
E75.0cm
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Question 812
waec 1993
In the normal use of a simple microscope, a person sees an
Ainverted, virtual and magnified image
Berect, virtual and magnified image
Cerect, real and magnified image
Dinverted, real and magnified image
Einverted and real image the same size as the object.
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Question 813
waec 1993
The images formed by a diverging lens are always
Adiminished, virtual and inverted
Bdiminished inverted and real
Cdiminished, virtual and erect
Dmagnified, virtual and erect
Emagnified, real and inverted.
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Question 814
waec 1993
An image which cannot be formed on a screen is said to be
Ainverted
Breal
Cvirtual
Derect
Eblurred
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Question 815
waec 1993
Longitudinal waves cannot be
Adiffracted
Bretracted
Cpolarized
Dreflected
Esuperposed
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Question 816
waec 1993
Which of the following are correct of plane- polarized light? I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light. II. Plane polarization of light is the splitting of light into its spectral components III. Plane-polarized light vibrates in one plane only. IV. Polarization is characteristic of transverse waves.
AI and II only
BI and IV only
CII and III only
DIII and IV only
EI and III only
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Question 817
waec 1993

A gas has a volume of 546 cm3 at OºC. What is the volume of the gas at -100ºC if its pressure remains constant?

A346cm3
B446cm3
C546cm3
D646cm3
E746 cm3.
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Question 818
waec 1993
A solid metal cube of side 10 cm is heated from
10oC to 60oC. lf the linear expansivity of the metal is 1.2 x 105K-1, calculate the increase in its volume.
A0.6cm3
B1.2 cm3
C1.8 cm3
D3.6 cm3
E6.0cm3.
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Question 819
waec 1993
The expansion of solids can be considered a disadvantage in the
Afire alarm system
Bthermostat
Criveting of steel plates
Dbalance wheel of a watch
Efitting of wheels on rims.
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Question 820
waec 1993
If the temperature of water is gradually increased from 0o to 4oC, the density of the water within this range
Aincreases for a while and then decreases
Bdecreases for a while and then increases
Cincreases gradually
Ddecreases gradually
Eremains the same
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Question 821
waec 1993

How far will a body move in 4 seconds if uniformly accelerated from rest at the rate of 2 ms-2?

A32m
B24m
C16m
D1.2m
E5m
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Question 822
waec 1993

An object is projected with a velocity of 100 ms\(^{-1}\) from the ground level at an angle \(\theta\) to the vertical. If the total time of flight of the projectile is 10 s, calculate θ. (g = 10 ms\(^{-2}\)).

A0o
B30o
C45o
D60o
E90o
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Question 823
waec 1993

A block of material of volume 2 X 10\(^{-5}\)m\(^3\) and density 2.5 x 10\(^3\) kgm\(^{-3}\) is suspended from a spring balance with half volume of the block immersed in water. What is the reading of the spring balance? (Density of water =1.0x10\(^3\) kg m\(^{-3}\) g = 10 ms\(^{-2}\)).

A0.10N
B0.25N
C0.30N
D0.40N
E0.50N
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Question 824
waec 1993
A particle starts from rest and moves with a constant acceleration of 0.5 ms-2? Calculate the time taken by the particle to cover a distance of 25m.
A25s
B7.1s
C10.0s
D50.0s
E100.0s.
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Question 825
waec 1993

A body of mass m = 0.5 kg is suspended by a string and pulled by a horizontal force of 12N as shown in the diagram. Calculate the tension T in the String if the body is in equilibrium. [Take g as 10ms\(^{-1}\)]

A7.0
B10.9
C12.5
D13.0
E17.0
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Question 826
waec 1993
A body of mass M1 moving with a velocity U collides with a stationary body of mass M2 and both move with a common velocity V lf linear momentum is conserved, which of the following expressions correctly represents V?
A
M1 U/M1 + M2
B
M2 U/M1 + M2
C
M1 + M2/M1 U
D
M1 - M2/M1 U
E
M1 U/M1 - M2
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Question 827
waec 1993

A body timed 20 oscillations of a certain pendulum three times and obtained 44.3s, 45.5s and 45.7s respectively. Calculate the mean period of oscillation of the pendulum

A0.13s
B2.22s
C2.26s
D44.30s
E45.17s
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Question 828
waec 1993
Which of the following is a derived unit?
AAmpere
BKilogramme
CSecond
DOhm
EKelvin
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Question 829
waec 1993
A body moves along a circular path with uniform angular speed of 0.6 rad s-1 and at a constant speed of 3.0ms-1. Calculate the acceleration of the body towards the centre of the circle.
A25.0ms-2
B5.4 ms-2
C5.0ms-2
D1.8 ms-2
E0.2ms-2
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Question 830
waec 1993
Which of the following is not an example of a force?
ATension
BWeight
CFriction
DMass
EThrust
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