Which of the following would you prefer to use while reading small letters found in a dictionary?
A. A convex lens
B. A convex mirror
C. A concave lens
D. Either (a) or (b)
Answer:A
Which of the following would you prefer to use while reading small letters found in a dictionary?
A. A convex lens B. A convex mirror C. A concave lens D. Either (a) or (b)