Question

Youhavevisitedanoldagehometodaywithyourclassmates.Expressyourfeelingsinthe form of diary entry in not more than 80 words. (

Answer 1

Explanation:

After refraction at two parallel faces of a glass slab, the ray of light emerges in a direction parallel to the incident ray on the slab. ... whereas in a prism a ray of light suffers two refractions on passing through a prism and hence deviates through a certain angle from its original path.