Question
State two applications a concave lens .
✓
Answer
The two applications of a concave lens are:-
(i) A person suffering from short-sightedness or myopia wears spectacles having a concave lens.
(ii) A concave lens is used as an eye lens in a Galilean telescope to obtain an erect final image of the object.
(i) A person suffering from short-sightedness or myopia wears spectacles having a concave lens.
(ii) A concave lens is used as an eye lens in a Galilean telescope to obtain an erect final image of the object.
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