The word erect means upright or straight. 

Hence, an image formed by a mirror or a lens is said to be an erect image if it is upright, ie, not inverted. 

For example, image formed by a plane mirror is always erect.

Erect Image Examples - Teachoo.jpg

 

  1. Class 10
  2. Chapter 10 Class 10 - Light - Reflection and Refraction

About the Author

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.