Write the word or phrase that best completes each statement or answers the question. -An object that is 4.0 cm tall is placed 15 cm in front of a concave mirror

Write the word or phrase that best completes each statement or answers the question.
-An object that is 4.0 cm tall is placed 15 cm in front of a concave mirror of focal length 20
cm.
(a) Where is the image formed and how far is it from the mirror?
(b) How tall is the image?

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