InterviewSolution
Saved Bookmarks
| 1. |
6. Which of the following lenses would you prefer to use while reading smafound 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» | |