Question

which of the following lences would you prefer to use while reading very small letters
a. a convex lens of focus length 50 cm
b. a convex lens of focus length 5 cm
c.a concave lens of focus length 50 cm
d.a concave lens of focus length 5 cm​

Answer 1

Answer:

a convex lence of focus length 5 cm

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Answer 2

A convex lens of focus length 50 cm