Physics Past Questions

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

47 questions
Question 1 of 7 47 total questions
Question 21
waec 2012
Which of the following substances is the most volatile at room temperature?
Awater
Bdiesel
Cpetrol
Dkerosine
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Question 22
waec 2012
The movement of fluid up or down a narrow tube is
Aosmosis
Bbrownian motion
Ccapillarity
Ddiffusion
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Question 23
waec 2012

A metal ball of weight W falls through a column of glycerine of viscosity V. If the ball experiences an upthrust U and terminal velocity is attained, then

AW > U + V
BW = U + V
CW = U - V
DW < U + V
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Question 24
waec 2012

A block of wood of density 0.6 gcm\(^{-3}\), weighing 3.06N in air, floats freely in a liquid of density 0.9 gcm\(^{-3}\). Calculate volume of the portion immersed (g = 10ms\(^{-2}\))

A510cm3
B340cm3
C254cm3
D170cm3
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Question 25
waec 2012

Which of the following devices is used to determine the relative density of an acid?

Amanometer
Bhydrometer
Chypsometer
Dhygrometer
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Question 26
waec 2012
The diagram above illustrates trapped air in a syringe placed in water that is gradually heated. It is observed that the piston rises as the temperature of the water rises. Which of the following statements explains this observation?
Afrequency of collision of trapped air molecules with walls of the syringe is more
Bmolecules of trapped air expands more
Cspeed of the trapped air molecules decreases
Dnumber of molecules of trapped air increases
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Question 27
waec 2012

The derived unit of pressure can be expressed as

Akgms-2
Bkg m-1s-2
Ckg m-2s-2
Dkg m-1s2
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