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Physics Past Questions and Answers

Waec Physics Questions

Question 1146:

Which of the following observations is not an effect of surface tension?

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A Droplets of water dripping slowly from a tap
B Mercury spilled on a clean glass plate forms spherical droplets
C An indect walking across the surface of a pond
D Water flowing out more easily then engine oil from a container

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Question 1147:

Which of the following observations is not an effect of surface tension?

SchoolNGR Classroom

A Droplets of water dripping slowly from a tap
B Mercury spilled on a clean glass plate forms spherical droplets
C An indect walking across the surface of a pond
D Water flowing out more easily then engine oil from a container

View Answer & Explanation

Question 1148:

Which of the following physical quantities is correctly paired with it's corresponding S.I unit?

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A Density[kg m³]
B Power[Js^-1]
C Specific latent heat [J kg^-1K^-1
D Pressure [Nm^-1]

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Question 1149:

A liquid of volume 2.00 m³ and density 1.00 x 10³ is mixed with 3.00 m³ of another liquid of density 8.00 x 10³kg m^-3. Calculate the density of the mixture [Assuming there is no chemical reaction]

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A 5.20 x 10² kg m^-3
B 1.13 x 10³ kg m^-3
C 8.80 x 10² kg m^-3
D 5.20 x 10² kg m^-3

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Question 1150:

Which of the following statements about solid friction are correct? It i. is a force ii. occurs between the surfaces of two bodies in contact iii. depends on the area in contact

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A I and ii only
B I adnd iii only
C Ii and iii only
D I, ii and iii

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