Physics, 29.08.2019 20:10 biancasamadp3usfw

Aconcave mirror with a focal length of 30 cm is used to form an image that is 30 cn behindo the mirror. what is the object distance? vy a) +20 cm b)+15 cm c)+60 cm d)+30 cm e)+58 cm

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Aconcave mirror with a focal length of 30 cm is used to form an image that is 30 cn behindo the mirr...