Ms. Shilpa wanted to introduce the concept of 'lateral inversion' through an activity. Which of the following activities will be MOST suitable for the purpose?

Option 1 : Writing a word on a paper rotating it by 180 degrees.

Lateral inversion is when an image will be inverted if it is reflected in the water. It just looks upside down in the water. For example, if we observe the inversion of the alphabet "M" It seems to be "W" after inversion.

Changes happening in Lateral inversion 

• The actual object becomes reversed or inverted.
• The image looks like a shape that is formed when the real object is upside down.
• As we write a word on a paper and rotate it by 180 degrees, it will be inverted.
• For example, If we write the word "COOL" and turn it by 180 degrees it would look like "7OO)"
• This is called lateral inversion.

Hence Writing a word on a paper and rotating it by 180 degrees will be most suitable to introduce the concept of 'lateral inversion' through an activity. 

On the other hand 

• Observing yourself in the mirror doesn't make a lot of difference between a real object and images.
• Reading a textbook using a mirror is difficult and also the required phenomenon can't be observed in every alphabet.
• Showing the letter A on a mirror is also a wrong option because A looks the same in the mirror also.