Check sibling questions

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

 

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo