Q. The index glass in an optical square is (Solved)
1. wholly silvered
2. wholly unsilvered
3. one-fourth silvered and three-fourth unsilvered
4. half silvered and half unsilvered
- a. wholly silvered
1. wholly silvered
2. wholly unsilvered
3. one-fourth silvered and three-fourth unsilvered
4. half silvered and half unsilvered