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