A person walking in a dark corridor enters into a brightly lit room:
(a) State the effect on the pupil of the eye.
(b) How does this affect the amount of light entering the eye ?
(a) When a person walking in a dark corridor enters into a brightly lit room, the Pupil becomes smaller.
(b) When a person walking in a dark corridor enters into a brightly lit room, the amount of light entering the eye is reduced.