NCERT Solutions for Chapter: Basic Geometrical ideas, Exercise 1: EXERCISE 4.1

Use the figure to name:


Four rays.
 

Use the figure to name:

Five-line segments.

Consider the following figure of line $\overleftrightarrow{MN}$:

$M$ is point on ray $\overrightarrow{OP.}$

Consider the following figure of line $\overleftrightarrow{MN}$:

Ray $\overrightarrow{\mathrm{OP}}$ is different from ray $\overrightarrow{\mathrm{QP}}$.

Consider the following figure of line $\overleftrightarrow{MN}$:

Ray $\overrightarrow{\mathrm{OP}}$ is same as ray $\overrightarrow{\mathrm{OM}}$.

Consider the following figure of line $\overleftrightarrow{MN}$:

Ray  $\overrightarrow{OM}$ is not opposite to ray  $\overrightarrow{OP}$.

Consider the following figure of line $\overleftrightarrow{MN}$:

$O$ is not an initial point of $\overrightarrow{OP}$.

Consider the following figure of line $\overleftrightarrow{MN}$:

 $N$ is the initial point of  $\overrightarrow{NP}$ and  $\overrightarrow{NM}$ .