Question

Which of the following is not a line segment?

(a) Bamboo

(b) Ruler

(c) Laser beam

(d) Pencil

I had been asked this question by my college professor while I was bunking the class.

This intriguing question originated from Geometrical Construction topic in section Lettering Practice, Scales & Curves of Civil Engineering Drawing

Answer 1

Correct option is (c) Laser beam

To explain: A line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints. A ray is a line with one end goes forever in the other direction. Here option Laser beam is ray and others are line segment.