Physics Past Questions

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4,719 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

4,719 questions
Question 1 of 20 4,719 total questions
Question 1391
jamb 2002
An electric iron is rated 1000W, 230V. What is the resistance of its elements?
A51.9Ω
B52.9Ω
C55.9Ω
D57.6Ω
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Question 1392
jamb 2002
The eye controls the amount of light reaching the retina by adjusting the
Acornea
Biris
Cretina
Doptic nerve
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Question 1393
jamb 2002

When connected to a mains of 250V, the fuse rating in the plug of an electric device of 1 KW is

A2 A
B3 A
C4 A
D5 A
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Question 1394
jamb 2002

The energy stored in a capacitor of capacitance 10μF carrying a charge of 100μC

A5 x 104 J
B4 x 102 J
C4 x 10-3 J
D5 x 10-4 J
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Question 1395
jamb 2002
From the diagram above, determine the value of the resistance X
A6Ω
B9Ω
C12Ω
D15Ω
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Question 1396
jamb 2002

Calculate the refractive index of the material for the glass prism in the diagram above

A√2/2
B4/3
C√2
D3/2
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Question 1397
jamb 2002
The diagram above shows the force (F) acting on an object through a distance (x). The work done on this object is expressed as
AFx J
BFx/2 J
CFx2 J
DF/x J
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Question 1398
jamb 2002

The diagram above show s the force-extension curve of a piece of wire. The energy stored when the wire is stretched from E to F is?

A7.5 x 10-3J
B2.5 x 10-3J
C1.5 x 10-2J
D7.5 x 10-1J
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Question 1399
jamb 2002

Vibration in a stretched spring cannot be polarized because they are

Astationary waves
Btransverse waves
Clongitudinal waves
Dmechanical waves
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Question 1400
jamb 2002
the pressure of 3 moles of an ideal gas at a temperature of 27°C having a volume of 10-3m3 is
A2.49 x 105
B7.47 x 105
C2.49 x 106
D7.47 x 106
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Question 1401
jamb 2002
The phenomenon that makes sound persist when its source has been removed is known as
Aacoustic vibration
Brarefaction
Cecho
Dreverberation
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Question 1402
jamb 2002

blowing air over a liquid aids evaporation by

Aincreasing its surface area
Bdecreasing its vapour pressure
Cincreasing its temperature
Ddecreasing its density
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Question 1403
jamb 2002

a ray of light which strikes a glass slab from air at normal incidence passes through the slab

Aundeviated and undisplaced at a lower speed
Bdeviated and undisplaced at a lower speed
Cdeviated and displaced at a lower speed
Dundeviated and displaced at a faster speed
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Question 1404
jamb 2002

water is a poor thermometric liquid because it

Ais opaque
Bis a poor conductor
Cwets glass
Dhas low vapour pressure
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Question 1405
jamb 2002
A concave mirror of radius of curvature 40 cm forms a real image twice as large as the object.
the object distance is
A10 cm
B30 cm
C40 cm
D60 cm
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Question 1406
jamb 2002
If tension is maintained on a stretched string of length 0.6m, such that its fundamental frequency of 220Hz is excited, determine the velocity of the transverse wave in the string.
A528 ms-1
B264 ms-1
C132 ms-1
D66 ms-1
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Question 1407
jamb 2002
The time rate of loss of heat by a body is proportional to the
Adifference in temprature between the body and its surroundings
Btemperature of its surroundings
Cratio of the temperature of the body to that of its surroundings
Dtemperature of the body
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Question 1408
jamb 2002
Which of the following eye defects can be corrected using a cylindrical lens.
Amyopia
BAstigmatism
CPresbyopia
DChromatic abiration
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Question 1409
jamb 2002

the property that is propagated in a traveling wave is

Afrequency
Bamplitude
Cenergy
Dwave lenght
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Question 1410
jamb 2002
To produce an enlarged and erect image with a concave mirror,the object must be positioned
Aat the principal focus
Bbeyond the centre of curvature
Cbetween the principal focus and the centre of the curvature
Dbetween the principal focus and the pole
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