Physics 1993 Waec Past Questions and Answers

Question 16 :

• WAEC 1993

Which of the following are correct of plane- polarized light? I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light. II. Plane polarization of light is the splitting of light into its spectral components III. Plane-polarized light vibrates in one plane only. IV. Polarization is characteristic of transverse waves.

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

Question 17 :

• WAEC 1993

Longitudinal waves cannot be

A. Diffracted
B. Retracted
C. Polarized
D. Reflected
E. Superposed

Question 18 :

• WAEC 1993

An image which cannot be formed on a screen is said to be

A. Inverted
B. Real
C. Virtual
D. Erect
E. Blurred

Question 19 :

• WAEC 1993

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.

Question 20 :

• WAEC 1993

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.