1.

Question 6Which 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» Question 6

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


Discussion

No Comment Found