Physics Past Questions

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

45 questions
Question 1 of 5 45 total questions
Question 21
waec 2001
The apparent weight of a body fully immersed in water is 32N and its weight in air is 96N. Calculate the volume of the body. [Density of water = 1000kgm-3, g = 10ms-2]
A8.9 x 10-3m3
B6.4 x 10-3m3
C3.2 x 10-3m3
D3.0 x 10-3m3
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Question 22
waec 2001

Which of the following statements about pressure is not correct? pressure

Aincreases with an increase in surface area
Bdecreases with an increase in surface area
Cincreases with a decrease in surface area
Dincreases with an increase in the applied force
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Question 23
waec 2001
An object weight 10N immersed in a liquid displaces a quantity of the liquid. If the liquid displaced weighs 6N, determine the upthrust of the object
A20N
B10N
C6N
D4N
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Question 24
waec 2001
A spring balance,which is suspended from the roof of a lift, carries a mass of 1kg at its free end. If the lift accelerates upwards at 2.5ms-2, determine the reading on the spring balance. [g = 10ms-2]
A24.0N
B12.5N
C7.5N
D4.0N
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Question 25
waec 2001

Which of the following physical processes cannot be explained by the molecular theory of matter?

Aevaporation
Bthermal conduction
Cradiation of heat
Dconvectional current of fliuds
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