Question

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
A) convex lens of focal length 50cm
B)concave lens of focal length 50cm
C)convex lens of focal length 5cm
D)concave lens of focal length 5cm​

Answer 1

The Answer is:-

B) convex lens of focal length 50cm.

Answer 2

Answer:

convex lens of focal length of 50cm