List I | Antimicrobials Names | List II | |
(A) | Narrow spectrum antibiotic | (I) | Furacin |
(B) | Antiseptic | (II) | Sulphur dioxide |
(C) | Disinfectants | (III) | Penicillin |
(D) | Broad spectrum antibiotic | (IV) | Chloramphenicol |
The portion of the line \( 4x + 5y = 20 \) in the first quadrant is trisected by the lines \( L_1 \) and \( L_2 \) passing through the origin. The tangent of an angle between the lines \( L_1 \) and \( L_2 \) is: