a concave mirror has a focal length of 10cm. at what distance from mirror should the object be placed so that it forms a real and inverted image 20 cm away from the mirror. what would be the size of image formed if the object is 2 cm high?
a concave mirror has a focal length of 10cm. at what distance from mirror should the object be placed so that it forms a real and inverted image 20 cm away from the mirror. what would be the size of image formed if the object is 2 cm high?
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