What is the mirrors focal length

Reference no: EM13564111

A person's face is 30cm ini front of a concave shaving mirror. If the image is an erect image 1.5 times as large as the object, what is the mirror's focal length?

Reference no: EM13564111

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What is the mirrors focal length : A person's face is 30cm ini front of a concave shaving mirror. If the image is an erect image 1.5 times as large as the object, what is the mirror's focal length?

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