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?
Physics Past Questions
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145 questions
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Past Questions
145 questions
Question 61
jamb
2002
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Question 62
jamb
2002
Vibration in a stretched spring cannot be polarized because they are
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Question 63
jamb
2002
the pressure of 3 moles of an ideal gas at a temperature of 27°C having a volume of 10-3m3 is
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Question 64
jamb
2002
The phenomenon that makes sound persist when its source has been removed is known as
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Question 65
jamb
2002
blowing air over a liquid aids evaporation by
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Question 66
jamb
2002
a ray of light which strikes a glass slab from air at normal incidence passes through the slab
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Question 67
jamb
2002
water is a poor thermometric liquid because it
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Question 68
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
the object distance is
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Question 69
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.
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Question 70
jamb
2002
The time rate of loss of heat by a body is proportional to the
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Question 71
jamb
2002
Which of the following eye defects can be corrected using a cylindrical lens.
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Question 72
jamb
2002
the property that is propagated in a traveling wave is
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Question 73
jamb
2002
To produce an enlarged and erect image with a concave mirror,the object must be positioned
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Question 74
jamb
2002
Which of the following is a characteristics of stationary waves?
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Question 75
jamb
2002
I. Temperature.
II. Density of air molecules
III. Pressure
IV. Pitch
Which of the above will affect the velocity of sound in the air
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Question 76
jamb
2002
The radiator of a motor car is cooled by
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Question 77
jamb
2002
A coin place below a rectangular glass block of thickness 9cm and refractive index 1.5 is viewed vertically above the block. The apparent displacement of the coin is
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Question 78
jamb
2002
The effect of a particle in a fluid attaining its terminal velocity is that the
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Question 79
jamb
2002
A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is
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Question 80
jamb
2002
Two force each of 10N acts on a body, one towards the north and the other towards the east.
The magnitude and the direction of the resultant force are
The magnitude and the direction of the resultant force are
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