On an optical bench of 150 cm, a student used a concave mirror of focal length 20 cm to observe object distance (u) and image distance (v) respectively as: (A) (40 cm, 10 cm) (B) (60 cm, 15 cm) (C) (80 cm, 38 cm) (D) (60 cm, 30 cm) (E) (40 cm, 40 cm) Choose the correct answer from the options given below:

(A) and (B) only (A) and (E) only (B) and (E) only (D) and (E) only

(D) and (E) only

The correct answer is Option (4) → (D) and (E) only