WAEC Past Questions and Answers - Page 3602

18,006.

The images formed by diverging lenses are always

A.

diminished, virtual and inverted

B.

diminished, virtual and errect

C.

diminished inverted and real

D.

magnified, virtual and errect

E.

magnified, real and inverted

Correct answer is B

No explanation has been provided for this answer.

18,007.

The above diagram represents a

A.

longitudinal section of a stem

B.

longitudinal section of a root

C.

cross section of a root

D.

transverse section of stem

E.

longitudinal section of a leaf

Correct answer is C

No explanation has been provided for this answer.

18,008.

The phenomenon which occurs when light changes direction as it passes from one medium to another is called

A.

reflection

B.

polarisation

C.

interference

D.

diffraction

E.

refraction

Correct answer is E

No explanation has been provided for this answer.

18,009.

An eclipse of the sun by the moon occurs when the sun, the moon and the earth are in a straight line and the

A.

earth casts a shadow on the moon

B.

moon casts a shadow on the sun

C.

moon is between the sun and the earth

D.

earth is between the sun and the moon

E.

sun is between the moon and the earth

Correct answer is C

No explanation has been provided for this answer.

18,010.

If an ebonite rod is rubbed with fur

A.

both the ebonite rod and the fur will be negatively charged

B.

the ebonite rod will be positively charged while the fur will have no charge

C.

there will be electron transfer only if the ebonite rod is earthed

D.

the ebonite rod will be negatively charged while the fur will be positively charged

E.

the ebonite rod will be positively charged while the fur will be negatively charged

Correct answer is D

No explanation has been provided for this answer.