Which of the following lenses would you prefer to use while reading small letters found ¡n a dictionary?
A. A convex lens of focal length 50cm
B. A concave lens of focal length 50cm
C. A convex lens of focal length 5 cm
D. A concave lens of focal length 5 cm.
Answer:C
Which of the following lenses would you prefer to use while reading small letters found ¡n a dictionary?
A. A convex lens of focal length 50cm B. A concave lens of focal length 50cm C. A convex lens of focal length 5 cm D. A concave lens of focal length 5 cm.