an object of size 2 cm is placed at 25 cm in the front of concave mirror. if the magnification produced by the mirror is 4. what is the size of image?
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m= hi/ho
4= 2/ho
ho= 2/4
ho =1/2
ho = 0.5 cm
4= 2/ho
ho= 2/4
ho =1/2
ho = 0.5 cm
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