Question

Name the part, when a beam of light coming parallel to the principal axis refracting through the lens meeting at one point?​

Answer 1

When the parallel rays of light pass through a concave lens to the principal axis, it deviates from its focal point and refracts the light rays. Due to this reason, it is called the Concave or Diverging lens.

Answer 2

When the parallel rays of light pass through a concave lens to the principal axis, it deviates from its focal point and refracts the light rays. Due to this reason, it is called the concave or Diverging lens...