A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity?

By: |Published on: Nov 14|Categories: Physics JAMB| 0 comments

A. Convex lens
B. Binoculars
C. Concave lens
D. Plane glasses

Correct Answer:

Option C – Concave lens

Explanation

A person with this condition is said to be short-sighted. Hence, to correct it, a concave lens is used for correction.

Users Also Read These:

SEE ALSO  A lamp is rated 240V 60W, calculate the resistance of its filament.

Copyright warnings! Do not copy.