Question

A doctor prescribes a corrective lens of power -0.5D to a person. The focal
length of lens and the type is
A2m and concave lens
B. 2m and convertens
D: 2m and come lens
C+2m and concave lens​

Answer 1

Explanation:

Make sure that all words are spelled correctly.

Try different keywords.

Try more general keywords.

Try fewer keywords

Answer 2

Answer:

A option

Explanation:

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