WAEC Physics Past Questions, Answers, And Explanations - Physics

Waec Physics Questions

Question 61:

WAEC 1988

Which of the following particles of ray has the highest penetrating power?

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A Beta particles
B Alpha particles
C Gamma particles
D Electrons
E Neutrons

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Question 62:

WAEC 1988

When sugar at the bottom of a glass of water gradually dissolves, the water level does not change applicably. Which of the following statements best describe this?

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A Water is suitable solvent for sugar
B The sugar and the water have become single solution
C The volume of water molecule does not change when sugar dissolves.
D Sugar molecule is small than that of water
E Water molecules are separated by large spaces between them

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Question 63:

WAEC 1988

Which of the following explains the concave meniscus of water in a glass tube?

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A The adhesion between water and glas is greater than the cohesion between water molecules
B The cohesion between water molecule is greater than the adhesion between glass and water
C The molecules of water in the glass are moving faster than the molecules in the other parts
D The molecules of water at the water-air boundary are often attracted to the center of the tube
E The weight of the water pulls the central part of the surface down

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Question 64:

WAEC 1988

The unit of inductance is the

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