Physics Past Questions

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147 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

147 questions
Question 1 of 7 147 total questions
Question 71
jamb 2005

An object is projected from a height of 80 m above the ground with a velocity of 40ms-1 at an angle of 30° to the horizontal. The time of flight [ g ≈ 10m/s\(^2\)

A8 s
B4 s
C16 s
D10 s
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Question 72
jamb 2005
In an ideal wheel an axle system, R stand for the radius of the wheel and r is the radius of the axle. the mechanical advantage is
A(R/r)2
Br/R
C(r/R)2
DR/r
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Question 73
jamb 2005

The pair of physical quantities consisting of vectors only are

Amomentum and power
Bvelocity and distance
Cdisplacement and torque
Daccelaration and speed
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Question 74
jamb 2005
A real image three times the size of an object is formed 24cm from a converging mirror. what is the focal length of the mirror.
A16cm
B6cm
C8cm
D12cm
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Question 75
jamb 2005

A thin converging lens has a power of 4.0 diopters determined its focal length.

A2.50m
B0.03m
C5.00m
D0.25m
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Question 76
jamb 2005

The sharpness of the boundary of the shadow of an object is determined by the

Aintensity of light striking the object
Brays of light passing through the object
Cnature of the object
Dopacity of the object
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Question 77
jamb 2005
Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to
Aoscillation
Bresonance
Cswinging
Dvibration
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