Optical Instruments - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 1978

For the correction of myopic defects in the human eye we require

A. A convex lens
B. A concave lens
C. A combination of concave and convex lenses
D. A prism
E. A concave mirror

Question 2:

• JAMB 1980

In a compound microscope

A. There is only one lens
B. The objective lens have a shorter focal length than the eyepiece which is convex
C. The objective lens has a longer focal length than the eyepiece which is convex
D. The objective lens has a shorter focal length than the eyepiece which is concave
E. The objective and the eyepiece are both convex and have the same focal length

Question 3:

• JAMB 1980

The Diagram above shows the prism arrangement in a

A. Microscope
B. Tereoscope
C. Projector
D. Periscope
E. Gyroscope

Question 4:

• JAMB 1981

The lack of power of accommodation which is mainly due to the hardening of the eye lens and is usual with onset of old age is called?

A. Myopia
B. Hypermyopia
C. Presbyopia
D. Astigmatism
E. Eye ring

Question 5:

• JAMB 1982

The range of accommodation of a normal human eye is

A. 0m to 0.1m
B. 0m to 0.25m
C. 0.10m to 0.25m
D. 0.10m to infinity
E. 0.25m to infinity