WAEC Past Questions and Answers - Page 4142

20,707.
20,708.

A lens of focal length 15.0 cm forms an upright image four times the size of an object. Calculate the distance of the image from the lens

A.

11.3cm

B.

18.8 cm

C.

37.5cm

D.

45.0cm

E.

75.0cm

Correct answer is E

No explanation has been provided for this answer.

20,709.

In the normal use of a simple microscope, a person sees an

A.

inverted, virtual and magnified image

B.

erect, virtual and magnified image

C.

erect, real and magnified image

D.

inverted, real and magnified image

E.

inverted and real image the same size as the object.

Correct answer is B

No explanation has been provided for this answer.

20,710.

The images formed by a diverging lens are always

A.

diminished, virtual and inverted

B.

diminished inverted and real

C.

diminished, virtual and erect

D.

magnified, virtual and erect

E.

magnified, real and inverted.

Correct answer is C

No explanation has been provided for this answer.