Physics 1994 Waec Past Questions and Answers

Question 11 :

• WAEC 1994

The image of an object placed at the center of the curvature of a concave mirror is

A. Inverted and magnified
B. At the principal focus
C. Real and diminshed
D. Erect and virtual
E. At the center of the curvature

Question 12 :

• WAEC 1994

A simple magnifying glass is used to view an object. At what distance from the lens must the object be placed so that an image 5 times the size of the object is produced 20cm from the lens?

A. 2cm
B. 4cm
C. 15cm
D. 25cm
E. 100cm

Question 13 :

• WAEC 1994

The inability of the eye to focus near objects is known as

A. Long sight
B. Astigmatism
C. Presbyopia
D. Glaucoma
E. Short sight

Question 14 :

• WAEC 1994

Which of the following are transverse waves? I. Ripples on water II. Sound waves in air III. Light waves from the sun

A. II only
B. I and II only
C. II and III only
D. I and II only
E. I, II and III

Question 15 :

• WAEC 1994

Which of the following has the shortest wavelength?

A. Infrared rays
B. Gamma rays
C. Ultra violet rays
D. Radio waves
E. Visible light